Home / 1,328,159.46-1,832,718.73-747,372.45

Finding the Fourth Proportional to 1,328,159.46, 1,832,718.73 and 747,372.45

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Solution

The fourth proportional to 1,328,159.46, 1,832,718.73 and 747,372.45 is: 1,031,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,159.46 : 1,832,718.73 = 747,372.45 : x
  2. Step 2: Convert to fraction form
    1,328,159.46/1,832,718.73 = 747,372.45/x
  3. Step 3: Cross multiply
    1,328,159.46x = 1,832,718.73 × 747,372.45
  4. Step 4: Simplify right side
    1,328,159.46x = 1,369,723,487,400.99
  5. Step 5: Solve for x
    x = 1,369,723,487,400.99/1,328,159.46
  6. Step 6: Final answer
    x = 1,031,294.46

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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.