Home / 1,255,810.20-1,883,715.30-402,880.20

Finding the Fourth Proportional to 1,255,810.20, 1,883,715.30 and 402,880.20

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Solution

The fourth proportional to 1,255,810.20, 1,883,715.30 and 402,880.20 is: 604,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,810.20 : 1,883,715.30 = 402,880.20 : x
  2. Step 2: Convert to fraction form
    1,255,810.20/1,883,715.30 = 402,880.20/x
  3. Step 3: Cross multiply
    1,255,810.20x = 1,883,715.30 × 402,880.20
  4. Step 4: Simplify right side
    1,255,810.20x = 758,911,596,807.06
  5. Step 5: Solve for x
    x = 758,911,596,807.06/1,255,810.20
  6. Step 6: Final answer
    x = 604,320.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.