Home / 1,087,065.64-1,500,289.01-657,348.85

Finding the Fourth Proportional to 1,087,065.64, 1,500,289.01 and 657,348.85

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Solution

The fourth proportional to 1,087,065.64, 1,500,289.01 and 657,348.85 is: 907,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,065.64 : 1,500,289.01 = 657,348.85 : x
  2. Step 2: Convert to fraction form
    1,087,065.64/1,500,289.01 = 657,348.85/x
  3. Step 3: Cross multiply
    1,087,065.64x = 1,500,289.01 × 657,348.85
  4. Step 4: Simplify right side
    1,087,065.64x = 986,213,255,391.14
  5. Step 5: Solve for x
    x = 986,213,255,391.14/1,087,065.64
  6. Step 6: Final answer
    x = 907,225.12

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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.