Home / 1,344,681.28-1,855,613.08-732,821.64

Finding the Fourth Proportional to 1,344,681.28, 1,855,613.08 and 732,821.64

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Solution

The fourth proportional to 1,344,681.28, 1,855,613.08 and 732,821.64 is: 1,011,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,681.28 : 1,855,613.08 = 732,821.64 : x
  2. Step 2: Convert to fraction form
    1,344,681.28/1,855,613.08 = 732,821.64/x
  3. Step 3: Cross multiply
    1,344,681.28x = 1,855,613.08 × 732,821.64
  4. Step 4: Simplify right side
    1,344,681.28x = 1,359,833,420,491.05
  5. Step 5: Solve for x
    x = 1,359,833,420,491.05/1,344,681.28
  6. Step 6: Final answer
    x = 1,011,268.20

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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.