Home / 966,124.80-1,449,446.40-861,667.20

Finding the Fourth Proportional to 966,124.80, 1,449,446.40 and 861,667.20

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Solution

The fourth proportional to 966,124.80, 1,449,446.40 and 861,667.20 is: 1,292,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,124.80 : 1,449,446.40 = 861,667.20 : x
  2. Step 2: Convert to fraction form
    966,124.80/1,449,446.40 = 861,667.20/x
  3. Step 3: Cross multiply
    966,124.80x = 1,449,446.40 × 861,667.20
  4. Step 4: Simplify right side
    966,124.80x = 1,248,940,421,038.08
  5. Step 5: Solve for x
    x = 1,248,940,421,038.08/966,124.80
  6. Step 6: Final answer
    x = 1,292,731.98

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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.