Home / 1,145,557.80-1,718,336.70-880,655.40

Finding the Fourth Proportional to 1,145,557.80, 1,718,336.70 and 880,655.40

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Solution

The fourth proportional to 1,145,557.80, 1,718,336.70 and 880,655.40 is: 1,320,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,557.80 : 1,718,336.70 = 880,655.40 : x
  2. Step 2: Convert to fraction form
    1,145,557.80/1,718,336.70 = 880,655.40/x
  3. Step 3: Cross multiply
    1,145,557.80x = 1,718,336.70 × 880,655.40
  4. Step 4: Simplify right side
    1,145,557.80x = 1,513,262,493,873.18
  5. Step 5: Solve for x
    x = 1,513,262,493,873.18/1,145,557.80
  6. Step 6: Final answer
    x = 1,320,983.10

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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.