Home / 1,316,862.10-1,817,417.19-743,939.20

Finding the Fourth Proportional to 1,316,862.10, 1,817,417.19 and 743,939.20

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Solution

The fourth proportional to 1,316,862.10, 1,817,417.19 and 743,939.20 is: 1,026,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,862.10 : 1,817,417.19 = 743,939.20 : x
  2. Step 2: Convert to fraction form
    1,316,862.10/1,817,417.19 = 743,939.20/x
  3. Step 3: Cross multiply
    1,316,862.10x = 1,817,417.19 × 743,939.20
  4. Step 4: Simplify right side
    1,316,862.10x = 1,352,047,890,394.85
  5. Step 5: Solve for x
    x = 1,352,047,890,394.85/1,316,862.10
  6. Step 6: Final answer
    x = 1,026,719.42

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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.