Home / 1,007,402.88-1,390,246.56-554,710.08

Finding the Fourth Proportional to 1,007,402.88, 1,390,246.56 and 554,710.08

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Solution

The fourth proportional to 1,007,402.88, 1,390,246.56 and 554,710.08 is: 765,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,402.88 : 1,390,246.56 = 554,710.08 : x
  2. Step 2: Convert to fraction form
    1,007,402.88/1,390,246.56 = 554,710.08/x
  3. Step 3: Cross multiply
    1,007,402.88x = 1,390,246.56 × 554,710.08
  4. Step 4: Simplify right side
    1,007,402.88x = 771,183,780,517.33
  5. Step 5: Solve for x
    x = 771,183,780,517.33/1,007,402.88
  6. Step 6: Final answer
    x = 765,516.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.