Home / 1,159,488.40-1,739,232.60-519,790.90

Finding the Fourth Proportional to 1,159,488.40, 1,739,232.60 and 519,790.90

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Solution

The fourth proportional to 1,159,488.40, 1,739,232.60 and 519,790.90 is: 779,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,488.40 : 1,739,232.60 = 519,790.90 : x
  2. Step 2: Convert to fraction form
    1,159,488.40/1,739,232.60 = 519,790.90/x
  3. Step 3: Cross multiply
    1,159,488.40x = 1,739,232.60 × 519,790.90
  4. Step 4: Simplify right side
    1,159,488.40x = 904,037,278,463.34
  5. Step 5: Solve for x
    x = 904,037,278,463.34/1,159,488.40
  6. Step 6: Final answer
    x = 779,686.35

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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.