Home / 1,240,871.25-1,862,881.80-1,055,063.73

Finding the Fourth Proportional to 1,240,871.25, 1,862,881.80 and 1,055,063.73

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Solution

The fourth proportional to 1,240,871.25, 1,862,881.80 and 1,055,063.73 is: 1,583,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,871.25 : 1,862,881.80 = 1,055,063.73 : x
  2. Step 2: Convert to fraction form
    1,240,871.25/1,862,881.80 = 1,055,063.73/x
  3. Step 3: Cross multiply
    1,240,871.25x = 1,862,881.80 × 1,055,063.73
  4. Step 4: Simplify right side
    1,240,871.25x = 1,965,459,020,457.11
  5. Step 5: Solve for x
    x = 1,965,459,020,457.11/1,240,871.25
  6. Step 6: Final answer
    x = 1,583,934.69

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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.