Home / 1,429,685.65-2,144,943.53-576,316.90

Finding the Fourth Proportional to 1,429,685.65, 2,144,943.53 and 576,316.90

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Solution

The fourth proportional to 1,429,685.65, 2,144,943.53 and 576,316.90 is: 864,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,685.65 : 2,144,943.53 = 576,316.90 : x
  2. Step 2: Convert to fraction form
    1,429,685.65/2,144,943.53 = 576,316.90/x
  3. Step 3: Cross multiply
    1,429,685.65x = 2,144,943.53 × 576,316.90
  4. Step 4: Simplify right side
    1,429,685.65x = 1,236,167,192,278.36
  5. Step 5: Solve for x
    x = 1,236,167,192,278.36/1,429,685.65
  6. Step 6: Final answer
    x = 864,642.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.