Home / 1,316,802.12-1,975,188.60-418,219.80

Finding the Fourth Proportional to 1,316,802.12, 1,975,188.60 and 418,219.80

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Solution

The fourth proportional to 1,316,802.12, 1,975,188.60 and 418,219.80 is: 627,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,802.12 : 1,975,188.60 = 418,219.80 : x
  2. Step 2: Convert to fraction form
    1,316,802.12/1,975,188.60 = 418,219.80/x
  3. Step 3: Cross multiply
    1,316,802.12x = 1,975,188.60 × 418,219.80
  4. Step 4: Simplify right side
    1,316,802.12x = 826,062,981,254.28
  5. Step 5: Solve for x
    x = 826,062,981,254.28/1,316,802.12
  6. Step 6: Final answer
    x = 627,325.07

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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.