Home / 1,078,218.80-1,617,472.20-368,068.40

Finding the Fourth Proportional to 1,078,218.80, 1,617,472.20 and 368,068.40

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Solution

The fourth proportional to 1,078,218.80, 1,617,472.20 and 368,068.40 is: 552,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,218.80 : 1,617,472.20 = 368,068.40 : x
  2. Step 2: Convert to fraction form
    1,078,218.80/1,617,472.20 = 368,068.40/x
  3. Step 3: Cross multiply
    1,078,218.80x = 1,617,472.20 × 368,068.40
  4. Step 4: Simplify right side
    1,078,218.80x = 595,340,404,698.48
  5. Step 5: Solve for x
    x = 595,340,404,698.48/1,078,218.80
  6. Step 6: Final answer
    x = 552,151.76

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1.5x scale

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.