Home / 1,087,965-1,502,298.12-907,622.25

Finding the Fourth Proportional to 1,087,965, 1,502,298.12 and 907,622.25

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Solution

The fourth proportional to 1,087,965, 1,502,298.12 and 907,622.25 is: 1,253,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,965 : 1,502,298.12 = 907,622.25 : x
  2. Step 2: Convert to fraction form
    1,087,965/1,502,298.12 = 907,622.25/x
  3. Step 3: Cross multiply
    1,087,965x = 1,502,298.12 × 907,622.25
  4. Step 4: Simplify right side
    1,087,965x = 1,363,519,199,845.17
  5. Step 5: Solve for x
    x = 1,363,519,199,845.17/1,087,965
  6. Step 6: Final answer
    x = 1,253,274.88

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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.