Home / 1,153,545.91-1,589,644.64-830,646.29

Finding the Fourth Proportional to 1,153,545.91, 1,589,644.64 and 830,646.29

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Solution

The fourth proportional to 1,153,545.91, 1,589,644.64 and 830,646.29 is: 1,144,672.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,545.91 : 1,589,644.64 = 830,646.29 : x
  2. Step 2: Convert to fraction form
    1,153,545.91/1,589,644.64 = 830,646.29/x
  3. Step 3: Cross multiply
    1,153,545.91x = 1,589,644.64 × 830,646.29
  4. Step 4: Simplify right side
    1,153,545.91x = 1,320,432,428,685.11
  5. Step 5: Solve for x
    x = 1,320,432,428,685.11/1,153,545.91
  6. Step 6: Final answer
    x = 1,144,672.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.