Home / 992,242.54-1,487,490-393,624.10

Finding the Fourth Proportional to 992,242.54, 1,487,490 and 393,624.10

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Solution

The fourth proportional to 992,242.54, 1,487,490 and 393,624.10 is: 590,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,242.54 : 1,487,490 = 393,624.10 : x
  2. Step 2: Convert to fraction form
    992,242.54/1,487,490 = 393,624.10/x
  3. Step 3: Cross multiply
    992,242.54x = 1,487,490 × 393,624.10
  4. Step 4: Simplify right side
    992,242.54x = 585,511,912,509
  5. Step 5: Solve for x
    x = 585,511,912,509/992,242.54
  6. Step 6: Final answer
    x = 590,089.51

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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.