Home / 1,460,217.28-2,015,078.40-815,646.40

Finding the Fourth Proportional to 1,460,217.28, 2,015,078.40 and 815,646.40

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Solution

The fourth proportional to 1,460,217.28, 2,015,078.40 and 815,646.40 is: 1,125,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,217.28 : 2,015,078.40 = 815,646.40 : x
  2. Step 2: Convert to fraction form
    1,460,217.28/2,015,078.40 = 815,646.40/x
  3. Step 3: Cross multiply
    1,460,217.28x = 2,015,078.40 × 815,646.40
  4. Step 4: Simplify right side
    1,460,217.28x = 1,643,591,442,677.76
  5. Step 5: Solve for x
    x = 1,643,591,442,677.76/1,460,217.28
  6. Step 6: Final answer
    x = 1,125,580.05

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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.