Home / 1,353,618.32-1,867,294.52-917,888.30

Finding the Fourth Proportional to 1,353,618.32, 1,867,294.52 and 917,888.30

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Solution

The fourth proportional to 1,353,618.32, 1,867,294.52 and 917,888.30 is: 1,266,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,618.32 : 1,867,294.52 = 917,888.30 : x
  2. Step 2: Convert to fraction form
    1,353,618.32/1,867,294.52 = 917,888.30/x
  3. Step 3: Cross multiply
    1,353,618.32x = 1,867,294.52 × 917,888.30
  4. Step 4: Simplify right side
    1,353,618.32x = 1,713,967,796,082.99
  5. Step 5: Solve for x
    x = 1,713,967,796,082.99/1,353,618.32
  6. Step 6: Final answer
    x = 1,266,212.02

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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.