Home / 1,221,729.40-1,834,343.70-924,297.40

Finding the Fourth Proportional to 1,221,729.40, 1,834,343.70 and 924,297.40

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Solution

The fourth proportional to 1,221,729.40, 1,834,343.70 and 924,297.40 is: 1,387,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,729.40 : 1,834,343.70 = 924,297.40 : x
  2. Step 2: Convert to fraction form
    1,221,729.40/1,834,343.70 = 924,297.40/x
  3. Step 3: Cross multiply
    1,221,729.40x = 1,834,343.70 × 924,297.40
  4. Step 4: Simplify right side
    1,221,729.40x = 1,695,479,112,616.38
  5. Step 5: Solve for x
    x = 1,695,479,112,616.38/1,221,729.40
  6. Step 6: Final answer
    x = 1,387,769.76

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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.