Home / 1,098,981.23-1,648,708.68-340,807.46

Finding the Fourth Proportional to 1,098,981.23, 1,648,708.68 and 340,807.46

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Solution

The fourth proportional to 1,098,981.23, 1,648,708.68 and 340,807.46 is: 511,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,981.23 : 1,648,708.68 = 340,807.46 : x
  2. Step 2: Convert to fraction form
    1,098,981.23/1,648,708.68 = 340,807.46/x
  3. Step 3: Cross multiply
    1,098,981.23x = 1,648,708.68 × 340,807.46
  4. Step 4: Simplify right side
    1,098,981.23x = 561,892,207,563.17
  5. Step 5: Solve for x
    x = 561,892,207,563.17/1,098,981.23
  6. Step 6: Final answer
    x = 511,284.63

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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.