Home / 1,005,717.52-1,507,579.80-472,283.68

Finding the Fourth Proportional to 1,005,717.52, 1,507,579.80 and 472,283.68

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Solution

The fourth proportional to 1,005,717.52, 1,507,579.80 and 472,283.68 is: 707,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,717.52 : 1,507,579.80 = 472,283.68 : x
  2. Step 2: Convert to fraction form
    1,005,717.52/1,507,579.80 = 472,283.68/x
  3. Step 3: Cross multiply
    1,005,717.52x = 1,507,579.80 × 472,283.68
  4. Step 4: Simplify right side
    1,005,717.52x = 712,005,335,837.66
  5. Step 5: Solve for x
    x = 712,005,335,837.66/1,005,717.52
  6. Step 6: Final answer
    x = 707,957.57

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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.