Home / 1,051,902.40-1,577,853.60-342,002.20

Finding the Fourth Proportional to 1,051,902.40, 1,577,853.60 and 342,002.20

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Solution

The fourth proportional to 1,051,902.40, 1,577,853.60 and 342,002.20 is: 513,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,902.40 : 1,577,853.60 = 342,002.20 : x
  2. Step 2: Convert to fraction form
    1,051,902.40/1,577,853.60 = 342,002.20/x
  3. Step 3: Cross multiply
    1,051,902.40x = 1,577,853.60 × 342,002.20
  4. Step 4: Simplify right side
    1,051,902.40x = 539,629,402,477.92
  5. Step 5: Solve for x
    x = 539,629,402,477.92/1,051,902.40
  6. Step 6: Final answer
    x = 513,003.30

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Double scale
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Similar ratio
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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.