Home / 1,158,887.70-1,738,331.55-317,438.10

Finding the Fourth Proportional to 1,158,887.70, 1,738,331.55 and 317,438.10

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Solution

The fourth proportional to 1,158,887.70, 1,738,331.55 and 317,438.10 is: 476,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,887.70 : 1,738,331.55 = 317,438.10 : x
  2. Step 2: Convert to fraction form
    1,158,887.70/1,738,331.55 = 317,438.10/x
  3. Step 3: Cross multiply
    1,158,887.70x = 1,738,331.55 × 317,438.10
  4. Step 4: Simplify right side
    1,158,887.70x = 551,812,664,402.06
  5. Step 5: Solve for x
    x = 551,812,664,402.06/1,158,887.70
  6. Step 6: Final answer
    x = 476,157.15

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Double scale
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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.