Home / 1,087,066.64-1,500,290.39-657,349.85

Finding the Fourth Proportional to 1,087,066.64, 1,500,290.39 and 657,349.85

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Solution

The fourth proportional to 1,087,066.64, 1,500,290.39 and 657,349.85 is: 907,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,066.64 : 1,500,290.39 = 657,349.85 : x
  2. Step 2: Convert to fraction form
    1,087,066.64/1,500,290.39 = 657,349.85/x
  3. Step 3: Cross multiply
    1,087,066.64x = 1,500,290.39 × 657,349.85
  4. Step 4: Simplify right side
    1,087,066.64x = 986,215,662,822.94
  5. Step 5: Solve for x
    x = 986,215,662,822.94/1,087,066.64
  6. Step 6: Final answer
    x = 907,226.50

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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.