Home / 1,087,114.12-1,499,975.94-657,385.24

Finding the Fourth Proportional to 1,087,114.12, 1,499,975.94 and 657,385.24

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Solution

The fourth proportional to 1,087,114.12, 1,499,975.94 and 657,385.24 is: 907,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,114.12 : 1,499,975.94 = 657,385.24 : x
  2. Step 2: Convert to fraction form
    1,087,114.12/1,499,975.94 = 657,385.24/x
  3. Step 3: Cross multiply
    1,087,114.12x = 1,499,975.94 × 657,385.24
  4. Step 4: Simplify right side
    1,087,114.12x = 986,062,043,311.13
  5. Step 5: Solve for x
    x = 986,062,043,311.13/1,087,114.12
  6. Step 6: Final answer
    x = 907,045.57

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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.