Home / 1,145,429.67-1,580,600.76-662,026.12

Finding the Fourth Proportional to 1,145,429.67, 1,580,600.76 and 662,026.12

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Solution

The fourth proportional to 1,145,429.67, 1,580,600.76 and 662,026.12 is: 913,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,429.67 : 1,580,600.76 = 662,026.12 : x
  2. Step 2: Convert to fraction form
    1,145,429.67/1,580,600.76 = 662,026.12/x
  3. Step 3: Cross multiply
    1,145,429.67x = 1,580,600.76 × 662,026.12
  4. Step 4: Simplify right side
    1,145,429.67x = 1,046,398,988,411.85
  5. Step 5: Solve for x
    x = 1,046,398,988,411.85/1,145,429.67
  6. Step 6: Final answer
    x = 913,542.77

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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.