Home / 1,087,026.68-1,500,235.22-657,309.89

Finding the Fourth Proportional to 1,087,026.68, 1,500,235.22 and 657,309.89

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Solution

The fourth proportional to 1,087,026.68, 1,500,235.22 and 657,309.89 is: 907,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,026.68 : 1,500,235.22 = 657,309.89 : x
  2. Step 2: Convert to fraction form
    1,087,026.68/1,500,235.22 = 657,309.89/x
  3. Step 3: Cross multiply
    1,087,026.68x = 1,500,235.22 × 657,309.89
  4. Step 4: Simplify right side
    1,087,026.68x = 986,119,452,826.19
  5. Step 5: Solve for x
    x = 986,119,452,826.19/1,087,026.68
  6. Step 6: Final answer
    x = 907,171.34

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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.