Home / 924,006.40-1,386,009.60-426,342.40

Finding the Fourth Proportional to 924,006.40, 1,386,009.60 and 426,342.40

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Solution

The fourth proportional to 924,006.40, 1,386,009.60 and 426,342.40 is: 639,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,006.40 : 1,386,009.60 = 426,342.40 : x
  2. Step 2: Convert to fraction form
    924,006.40/1,386,009.60 = 426,342.40/x
  3. Step 3: Cross multiply
    924,006.40x = 1,386,009.60 × 426,342.40
  4. Step 4: Simplify right side
    924,006.40x = 590,914,659,287.04
  5. Step 5: Solve for x
    x = 590,914,659,287.04/924,006.40
  6. Step 6: Final answer
    x = 639,513.60

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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.