Home / 1,397,460.18-2,096,190.72-437,990.22

Finding the Fourth Proportional to 1,397,460.18, 2,096,190.72 and 437,990.22

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Solution

The fourth proportional to 1,397,460.18, 2,096,190.72 and 437,990.22 is: 656,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,460.18 : 2,096,190.72 = 437,990.22 : x
  2. Step 2: Convert to fraction form
    1,397,460.18/2,096,190.72 = 437,990.22/x
  3. Step 3: Cross multiply
    1,397,460.18x = 2,096,190.72 × 437,990.22
  4. Step 4: Simplify right side
    1,397,460.18x = 918,111,034,614.76
  5. Step 5: Solve for x
    x = 918,111,034,614.76/1,397,460.18
  6. Step 6: Final answer
    x = 656,985.47

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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.