Home / 896,891.40-1,345,337.10-847,902.60

Finding the Fourth Proportional to 896,891.40, 1,345,337.10 and 847,902.60

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Solution

The fourth proportional to 896,891.40, 1,345,337.10 and 847,902.60 is: 1,271,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,891.40 : 1,345,337.10 = 847,902.60 : x
  2. Step 2: Convert to fraction form
    896,891.40/1,345,337.10 = 847,902.60/x
  3. Step 3: Cross multiply
    896,891.40x = 1,345,337.10 × 847,902.60
  4. Step 4: Simplify right side
    896,891.40x = 1,140,714,824,966.46
  5. Step 5: Solve for x
    x = 1,140,714,824,966.46/896,891.40
  6. Step 6: Final answer
    x = 1,271,853.90

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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.