Home / 1,359,420.70-2,039,123.85-348,540.70

Finding the Fourth Proportional to 1,359,420.70, 2,039,123.85 and 348,540.70

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Solution

The fourth proportional to 1,359,420.70, 2,039,123.85 and 348,540.70 is: 522,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,420.70 : 2,039,123.85 = 348,540.70 : x
  2. Step 2: Convert to fraction form
    1,359,420.70/2,039,123.85 = 348,540.70/x
  3. Step 3: Cross multiply
    1,359,420.70x = 2,039,123.85 × 348,540.70
  4. Step 4: Simplify right side
    1,359,420.70x = 710,717,654,065.70
  5. Step 5: Solve for x
    x = 710,717,654,065.70/1,359,420.70
  6. Step 6: Final answer
    x = 522,809.20

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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.