Home / 1,762,424.32-2,432,139.60-998,623.48

Finding the Fourth Proportional to 1,762,424.32, 2,432,139.60 and 998,623.48

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Solution

The fourth proportional to 1,762,424.32, 2,432,139.60 and 998,623.48 is: 1,378,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,424.32 : 2,432,139.60 = 998,623.48 : x
  2. Step 2: Convert to fraction form
    1,762,424.32/2,432,139.60 = 998,623.48/x
  3. Step 3: Cross multiply
    1,762,424.32x = 2,432,139.60 × 998,623.48
  4. Step 4: Simplify right side
    1,762,424.32x = 2,428,791,711,197.81
  5. Step 5: Solve for x
    x = 2,428,791,711,197.81/1,762,424.32
  6. Step 6: Final answer
    x = 1,378,097.02

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Why These Related Problems?

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