Home / 1,159,929.80-1,737,129.90-712,032.20

Finding the Fourth Proportional to 1,159,929.80, 1,737,129.90 and 712,032.20

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Solution

The fourth proportional to 1,159,929.80, 1,737,129.90 and 712,032.20 is: 1,066,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,929.80 : 1,737,129.90 = 712,032.20 : x
  2. Step 2: Convert to fraction form
    1,159,929.80/1,737,129.90 = 712,032.20/x
  3. Step 3: Cross multiply
    1,159,929.80x = 1,737,129.90 × 712,032.20
  4. Step 4: Simplify right side
    1,159,929.80x = 1,236,892,424,382.78
  5. Step 5: Solve for x
    x = 1,236,892,424,382.78/1,159,929.80
  6. Step 6: Final answer
    x = 1,066,351.11

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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.