Home / 1,045,357.19-1,442,418.03-615,722.88

Finding the Fourth Proportional to 1,045,357.19, 1,442,418.03 and 615,722.88

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Solution

The fourth proportional to 1,045,357.19, 1,442,418.03 and 615,722.88 is: 849,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,357.19 : 1,442,418.03 = 615,722.88 : x
  2. Step 2: Convert to fraction form
    1,045,357.19/1,442,418.03 = 615,722.88/x
  3. Step 3: Cross multiply
    1,045,357.19x = 1,442,418.03 × 615,722.88
  4. Step 4: Simplify right side
    1,045,357.19x = 888,129,783,595.53
  5. Step 5: Solve for x
    x = 888,129,783,595.53/1,045,357.19
  6. Step 6: Final answer
    x = 849,594.57

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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.