Home / 1,045,357.95-1,442,419.08-615,723.60

Finding the Fourth Proportional to 1,045,357.95, 1,442,419.08 and 615,723.60

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Solution

The fourth proportional to 1,045,357.95, 1,442,419.08 and 615,723.60 is: 849,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,357.95 : 1,442,419.08 = 615,723.60 : x
  2. Step 2: Convert to fraction form
    1,045,357.95/1,442,419.08 = 615,723.60/x
  3. Step 3: Cross multiply
    1,045,357.95x = 1,442,419.08 × 615,723.60
  4. Step 4: Simplify right side
    1,045,357.95x = 888,131,468,646.29
  5. Step 5: Solve for x
    x = 888,131,468,646.29/1,045,357.95
  6. Step 6: Final answer
    x = 849,595.56

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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.