Home / 1,316,979.54-1,975,263.37-418,302.97

Finding the Fourth Proportional to 1,316,979.54, 1,975,263.37 and 418,302.97

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Solution

The fourth proportional to 1,316,979.54, 1,975,263.37 and 418,302.97 is: 627,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,979.54 : 1,975,263.37 = 418,302.97 : x
  2. Step 2: Convert to fraction form
    1,316,979.54/1,975,263.37 = 418,302.97/x
  3. Step 3: Cross multiply
    1,316,979.54x = 1,975,263.37 × 418,302.97
  4. Step 4: Simplify right side
    1,316,979.54x = 826,258,528,219.29
  5. Step 5: Solve for x
    x = 826,258,528,219.29/1,316,979.54
  6. Step 6: Final answer
    x = 627,389.04

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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.