Home / 1,437,640.32-2,155,651.20-477,582

Finding the Fourth Proportional to 1,437,640.32, 2,155,651.20 and 477,582

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Solution

The fourth proportional to 1,437,640.32, 2,155,651.20 and 477,582 is: 716,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,640.32 : 2,155,651.20 = 477,582 : x
  2. Step 2: Convert to fraction form
    1,437,640.32/2,155,651.20 = 477,582/x
  3. Step 3: Cross multiply
    1,437,640.32x = 2,155,651.20 × 477,582
  4. Step 4: Simplify right side
    1,437,640.32x = 1,029,500,211,398.40
  5. Step 5: Solve for x
    x = 1,029,500,211,398.40/1,437,640.32
  6. Step 6: Final answer
    x = 716,104.16

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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.