Home / 1,168,931.60-1,753,397.40-420,880.40

Finding the Fourth Proportional to 1,168,931.60, 1,753,397.40 and 420,880.40

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Solution

The fourth proportional to 1,168,931.60, 1,753,397.40 and 420,880.40 is: 631,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,931.60 : 1,753,397.40 = 420,880.40 : x
  2. Step 2: Convert to fraction form
    1,168,931.60/1,753,397.40 = 420,880.40/x
  3. Step 3: Cross multiply
    1,168,931.60x = 1,753,397.40 × 420,880.40
  4. Step 4: Simplify right side
    1,168,931.60x = 737,970,599,070.96
  5. Step 5: Solve for x
    x = 737,970,599,070.96/1,168,931.60
  6. Step 6: Final answer
    x = 631,320.60

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Double scale
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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.