Home / 802,140.20-1,203,210.30-781,404.20

Finding the Fourth Proportional to 802,140.20, 1,203,210.30 and 781,404.20

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Solution

The fourth proportional to 802,140.20, 1,203,210.30 and 781,404.20 is: 1,172,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,140.20 : 1,203,210.30 = 781,404.20 : x
  2. Step 2: Convert to fraction form
    802,140.20/1,203,210.30 = 781,404.20/x
  3. Step 3: Cross multiply
    802,140.20x = 1,203,210.30 × 781,404.20
  4. Step 4: Simplify right side
    802,140.20x = 940,193,581,903.26
  5. Step 5: Solve for x
    x = 940,193,581,903.26/802,140.20
  6. Step 6: Final answer
    x = 1,172,106.30

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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.