Home / 1,218,476.18-1,826,629.28-578,385.02

Finding the Fourth Proportional to 1,218,476.18, 1,826,629.28 and 578,385.02

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Solution

The fourth proportional to 1,218,476.18, 1,826,629.28 and 578,385.02 is: 867,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,476.18 : 1,826,629.28 = 578,385.02 : x
  2. Step 2: Convert to fraction form
    1,218,476.18/1,826,629.28 = 578,385.02/x
  3. Step 3: Cross multiply
    1,218,476.18x = 1,826,629.28 × 578,385.02
  4. Step 4: Simplify right side
    1,218,476.18x = 1,056,495,012,645.39
  5. Step 5: Solve for x
    x = 1,056,495,012,645.39/1,218,476.18
  6. Step 6: Final answer
    x = 867,062.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.