Home / 1,146,151.70-1,720,005.15-745,817.30

Finding the Fourth Proportional to 1,146,151.70, 1,720,005.15 and 745,817.30

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Solution

The fourth proportional to 1,146,151.70, 1,720,005.15 and 745,817.30 is: 1,119,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,151.70 : 1,720,005.15 = 745,817.30 : x
  2. Step 2: Convert to fraction form
    1,146,151.70/1,720,005.15 = 745,817.30/x
  3. Step 3: Cross multiply
    1,146,151.70x = 1,720,005.15 × 745,817.30
  4. Step 4: Simplify right side
    1,146,151.70x = 1,282,809,596,959.10
  5. Step 5: Solve for x
    x = 1,282,809,596,959.10/1,146,151.70
  6. Step 6: Final answer
    x = 1,119,231.95

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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.