Home / 1,006,721.59-1,389,275.99-554,012.59

Finding the Fourth Proportional to 1,006,721.59, 1,389,275.99 and 554,012.59

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Solution

The fourth proportional to 1,006,721.59, 1,389,275.99 and 554,012.59 is: 764,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,721.59 : 1,389,275.99 = 554,012.59 : x
  2. Step 2: Convert to fraction form
    1,006,721.59/1,389,275.99 = 554,012.59/x
  3. Step 3: Cross multiply
    1,006,721.59x = 1,389,275.99 × 554,012.59
  4. Step 4: Simplify right side
    1,006,721.59x = 769,676,389,444.71
  5. Step 5: Solve for x
    x = 769,676,389,444.71/1,006,721.59
  6. Step 6: Final answer
    x = 764,537.48

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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.