Home / 906,753.40-1,360,130.10-807,220.60

Finding the Fourth Proportional to 906,753.40, 1,360,130.10 and 807,220.60

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Solution

The fourth proportional to 906,753.40, 1,360,130.10 and 807,220.60 is: 1,210,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,753.40 : 1,360,130.10 = 807,220.60 : x
  2. Step 2: Convert to fraction form
    906,753.40/1,360,130.10 = 807,220.60/x
  3. Step 3: Cross multiply
    906,753.40x = 1,360,130.10 × 807,220.60
  4. Step 4: Simplify right side
    906,753.40x = 1,097,925,035,400.06
  5. Step 5: Solve for x
    x = 1,097,925,035,400.06/906,753.40
  6. Step 6: Final answer
    x = 1,210,830.90

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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.