Home / 1,280,240.88-1,920,336.60-382,291.04

Finding the Fourth Proportional to 1,280,240.88, 1,920,336.60 and 382,291.04

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Solution

The fourth proportional to 1,280,240.88, 1,920,336.60 and 382,291.04 is: 573,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,240.88 : 1,920,336.60 = 382,291.04 : x
  2. Step 2: Convert to fraction form
    1,280,240.88/1,920,336.60 = 382,291.04/x
  3. Step 3: Cross multiply
    1,280,240.88x = 1,920,336.60 × 382,291.04
  4. Step 4: Simplify right side
    1,280,240.88x = 734,127,475,964.06
  5. Step 5: Solve for x
    x = 734,127,475,964.06/1,280,240.88
  6. Step 6: Final answer
    x = 573,429.18

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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.