Home / 1,359,418.20-2,039,120.10-348,538.20

Finding the Fourth Proportional to 1,359,418.20, 2,039,120.10 and 348,538.20

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Solution

The fourth proportional to 1,359,418.20, 2,039,120.10 and 348,538.20 is: 522,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,418.20 : 2,039,120.10 = 348,538.20 : x
  2. Step 2: Convert to fraction form
    1,359,418.20/2,039,120.10 = 348,538.20/x
  3. Step 3: Cross multiply
    1,359,418.20x = 2,039,120.10 × 348,538.20
  4. Step 4: Simplify right side
    1,359,418.20x = 710,711,249,237.82
  5. Step 5: Solve for x
    x = 710,711,249,237.82/1,359,418.20
  6. Step 6: Final answer
    x = 522,805.45

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1.5x scale

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.