Home / 1,159,897.60-1,737,772.80-948,390.40

Finding the Fourth Proportional to 1,159,897.60, 1,737,772.80 and 948,390.40

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Solution

The fourth proportional to 1,159,897.60, 1,737,772.80 and 948,390.40 is: 1,420,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,897.60 : 1,737,772.80 = 948,390.40 : x
  2. Step 2: Convert to fraction form
    1,159,897.60/1,737,772.80 = 948,390.40/x
  3. Step 3: Cross multiply
    1,159,897.60x = 1,737,772.80 × 948,390.40
  4. Step 4: Simplify right side
    1,159,897.60x = 1,648,087,040,901.12
  5. Step 5: Solve for x
    x = 1,648,087,040,901.12/1,159,897.60
  6. Step 6: Final answer
    x = 1,420,890.12

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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.