Home / 1,042,001.10-1,438,244.37-612,419.22

Finding the Fourth Proportional to 1,042,001.10, 1,438,244.37 and 612,419.22

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Solution

The fourth proportional to 1,042,001.10, 1,438,244.37 and 612,419.22 is: 845,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,001.10 : 1,438,244.37 = 612,419.22 : x
  2. Step 2: Convert to fraction form
    1,042,001.10/1,438,244.37 = 612,419.22/x
  3. Step 3: Cross multiply
    1,042,001.10x = 1,438,244.37 × 612,419.22
  4. Step 4: Simplify right side
    1,042,001.10x = 880,808,495,244.79
  5. Step 5: Solve for x
    x = 880,808,495,244.79/1,042,001.10
  6. Step 6: Final answer
    x = 845,304.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.