Home / 1,483,639.20-2,225,102.40-418,780.80

Finding the Fourth Proportional to 1,483,639.20, 2,225,102.40 and 418,780.80

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Solution

The fourth proportional to 1,483,639.20, 2,225,102.40 and 418,780.80 is: 628,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,639.20 : 2,225,102.40 = 418,780.80 : x
  2. Step 2: Convert to fraction form
    1,483,639.20/2,225,102.40 = 418,780.80/x
  3. Step 3: Cross multiply
    1,483,639.20x = 2,225,102.40 × 418,780.80
  4. Step 4: Simplify right side
    1,483,639.20x = 931,830,163,153.92
  5. Step 5: Solve for x
    x = 931,830,163,153.92/1,483,639.20
  6. Step 6: Final answer
    x = 628,070.60

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Double scale
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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.