Home / 1,341,685.60-2,012,139.60-488,658.40

Finding the Fourth Proportional to 1,341,685.60, 2,012,139.60 and 488,658.40

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Solution

The fourth proportional to 1,341,685.60, 2,012,139.60 and 488,658.40 is: 732,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,685.60 : 2,012,139.60 = 488,658.40 : x
  2. Step 2: Convert to fraction form
    1,341,685.60/2,012,139.60 = 488,658.40/x
  3. Step 3: Cross multiply
    1,341,685.60x = 2,012,139.60 × 488,658.40
  4. Step 4: Simplify right side
    1,341,685.60x = 983,248,917,512.64
  5. Step 5: Solve for x
    x = 983,248,917,512.64/1,341,685.60
  6. Step 6: Final answer
    x = 732,845.99

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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.