Home / 1,280,447.10-1,767,013.35-707,483.19

Finding the Fourth Proportional to 1,280,447.10, 1,767,013.35 and 707,483.19

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Solution

The fourth proportional to 1,280,447.10, 1,767,013.35 and 707,483.19 is: 976,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,447.10 : 1,767,013.35 = 707,483.19 : x
  2. Step 2: Convert to fraction form
    1,280,447.10/1,767,013.35 = 707,483.19/x
  3. Step 3: Cross multiply
    1,280,447.10x = 1,767,013.35 × 707,483.19
  4. Step 4: Simplify right side
    1,280,447.10x = 1,250,132,241,630.59
  5. Step 5: Solve for x
    x = 1,250,132,241,630.59/1,280,447.10
  6. Step 6: Final answer
    x = 976,324.79

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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.