Home / 1,344,531.42-1,855,428.93-732,689.28

Finding the Fourth Proportional to 1,344,531.42, 1,855,428.93 and 732,689.28

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Solution

The fourth proportional to 1,344,531.42, 1,855,428.93 and 732,689.28 is: 1,011,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,531.42 : 1,855,428.93 = 732,689.28 : x
  2. Step 2: Convert to fraction form
    1,344,531.42/1,855,428.93 = 732,689.28/x
  3. Step 3: Cross multiply
    1,344,531.42x = 1,855,428.93 × 732,689.28
  4. Step 4: Simplify right side
    1,344,531.42x = 1,359,452,886,812.87
  5. Step 5: Solve for x
    x = 1,359,452,886,812.87/1,344,531.42
  6. Step 6: Final answer
    x = 1,011,097.89

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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.