Home / 1,227,790.80-1,845,622.80-875,246.40

Finding the Fourth Proportional to 1,227,790.80, 1,845,622.80 and 875,246.40

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Solution

The fourth proportional to 1,227,790.80, 1,845,622.80 and 875,246.40 is: 1,315,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,790.80 : 1,845,622.80 = 875,246.40 : x
  2. Step 2: Convert to fraction form
    1,227,790.80/1,845,622.80 = 875,246.40/x
  3. Step 3: Cross multiply
    1,227,790.80x = 1,845,622.80 × 875,246.40
  4. Step 4: Simplify right side
    1,227,790.80x = 1,615,374,711,457.92
  5. Step 5: Solve for x
    x = 1,615,374,711,457.92/1,227,790.80
  6. Step 6: Final answer
    x = 1,315,675.86

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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.