Home / 1,246,102.29-1,868,087.30-478,151.10

Finding the Fourth Proportional to 1,246,102.29, 1,868,087.30 and 478,151.10

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Solution

The fourth proportional to 1,246,102.29, 1,868,087.30 and 478,151.10 is: 716,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,102.29 : 1,868,087.30 = 478,151.10 : x
  2. Step 2: Convert to fraction form
    1,246,102.29/1,868,087.30 = 478,151.10/x
  3. Step 3: Cross multiply
    1,246,102.29x = 1,868,087.30 × 478,151.10
  4. Step 4: Simplify right side
    1,246,102.29x = 893,227,988,464.08
  5. Step 5: Solve for x
    x = 893,227,988,464.08/1,246,102.29
  6. Step 6: Final answer
    x = 716,817.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.