Home / 1,300,807.80-1,951,211.70-822,510.90

Finding the Fourth Proportional to 1,300,807.80, 1,951,211.70 and 822,510.90

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Solution

The fourth proportional to 1,300,807.80, 1,951,211.70 and 822,510.90 is: 1,233,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,807.80 : 1,951,211.70 = 822,510.90 : x
  2. Step 2: Convert to fraction form
    1,300,807.80/1,951,211.70 = 822,510.90/x
  3. Step 3: Cross multiply
    1,300,807.80x = 1,951,211.70 × 822,510.90
  4. Step 4: Simplify right side
    1,300,807.80x = 1,604,892,891,457.53
  5. Step 5: Solve for x
    x = 1,604,892,891,457.53/1,300,807.80
  6. Step 6: Final answer
    x = 1,233,766.35

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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.