Home / 1,428,306.15-2,142,471.35-363,349.11

Finding the Fourth Proportional to 1,428,306.15, 2,142,471.35 and 363,349.11

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Solution

The fourth proportional to 1,428,306.15, 2,142,471.35 and 363,349.11 is: 545,026.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,306.15 : 2,142,471.35 = 363,349.11 : x
  2. Step 2: Convert to fraction form
    1,428,306.15/2,142,471.35 = 363,349.11/x
  3. Step 3: Cross multiply
    1,428,306.15x = 2,142,471.35 × 363,349.11
  4. Step 4: Simplify right side
    1,428,306.15x = 778,465,058,223.00
  5. Step 5: Solve for x
    x = 778,465,058,223.00/1,428,306.15
  6. Step 6: Final answer
    x = 545,026.75

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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.