Home / 1,286,077.12-1,929,547.86-902,226.04

Finding the Fourth Proportional to 1,286,077.12, 1,929,547.86 and 902,226.04

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Solution

The fourth proportional to 1,286,077.12, 1,929,547.86 and 902,226.04 is: 1,353,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,077.12 : 1,929,547.86 = 902,226.04 : x
  2. Step 2: Convert to fraction form
    1,286,077.12/1,929,547.86 = 902,226.04/x
  3. Step 3: Cross multiply
    1,286,077.12x = 1,929,547.86 × 902,226.04
  4. Step 4: Simplify right side
    1,286,077.12x = 1,740,888,324,718.27
  5. Step 5: Solve for x
    x = 1,740,888,324,718.27/1,286,077.12
  6. Step 6: Final answer
    x = 1,353,642.25

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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.