Home / 1,276,335.80-1,914,503.70-924,666.20

Finding the Fourth Proportional to 1,276,335.80, 1,914,503.70 and 924,666.20

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Solution

The fourth proportional to 1,276,335.80, 1,914,503.70 and 924,666.20 is: 1,386,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,335.80 : 1,914,503.70 = 924,666.20 : x
  2. Step 2: Convert to fraction form
    1,276,335.80/1,914,503.70 = 924,666.20/x
  3. Step 3: Cross multiply
    1,276,335.80x = 1,914,503.70 × 924,666.20
  4. Step 4: Simplify right side
    1,276,335.80x = 1,770,276,861,164.94
  5. Step 5: Solve for x
    x = 1,770,276,861,164.94/1,276,335.80
  6. Step 6: Final answer
    x = 1,386,999.30

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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.