Home / 1,007,444.80-1,511,167.20-930,462.40

Finding the Fourth Proportional to 1,007,444.80, 1,511,167.20 and 930,462.40

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Solution

The fourth proportional to 1,007,444.80, 1,511,167.20 and 930,462.40 is: 1,395,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,444.80 : 1,511,167.20 = 930,462.40 : x
  2. Step 2: Convert to fraction form
    1,007,444.80/1,511,167.20 = 930,462.40/x
  3. Step 3: Cross multiply
    1,007,444.80x = 1,511,167.20 × 930,462.40
  4. Step 4: Simplify right side
    1,007,444.80x = 1,406,084,259,713.28
  5. Step 5: Solve for x
    x = 1,406,084,259,713.28/1,007,444.80
  6. Step 6: Final answer
    x = 1,395,693.60

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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.