Home / 1,488,456.95-2,229,875.13-879,428.03

Finding the Fourth Proportional to 1,488,456.95, 2,229,875.13 and 879,428.03

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Solution

The fourth proportional to 1,488,456.95, 2,229,875.13 and 879,428.03 is: 1,317,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,456.95 : 2,229,875.13 = 879,428.03 : x
  2. Step 2: Convert to fraction form
    1,488,456.95/2,229,875.13 = 879,428.03/x
  3. Step 3: Cross multiply
    1,488,456.95x = 2,229,875.13 × 879,428.03
  4. Step 4: Simplify right side
    1,488,456.95x = 1,961,014,678,274.66
  5. Step 5: Solve for x
    x = 1,961,014,678,274.66/1,488,456.95
  6. Step 6: Final answer
    x = 1,317,481.62

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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.