Home / 1,159,159.80-1,736,406.90-781,246.20

Finding the Fourth Proportional to 1,159,159.80, 1,736,406.90 and 781,246.20

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Solution

The fourth proportional to 1,159,159.80, 1,736,406.90 and 781,246.20 is: 1,170,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,159.80 : 1,736,406.90 = 781,246.20 : x
  2. Step 2: Convert to fraction form
    1,159,159.80/1,736,406.90 = 781,246.20/x
  3. Step 3: Cross multiply
    1,159,159.80x = 1,736,406.90 × 781,246.20
  4. Step 4: Simplify right side
    1,159,159.80x = 1,356,561,292,278.78
  5. Step 5: Solve for x
    x = 1,356,561,292,278.78/1,159,159.80
  6. Step 6: Final answer
    x = 1,170,297.05

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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.