Home / 918,200.70-1,377,301.05-669,368.70

Finding the Fourth Proportional to 918,200.70, 1,377,301.05 and 669,368.70

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Solution

The fourth proportional to 918,200.70, 1,377,301.05 and 669,368.70 is: 1,004,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,200.70 : 1,377,301.05 = 669,368.70 : x
  2. Step 2: Convert to fraction form
    918,200.70/1,377,301.05 = 669,368.70/x
  3. Step 3: Cross multiply
    918,200.70x = 1,377,301.05 × 669,368.70
  4. Step 4: Simplify right side
    918,200.70x = 921,922,213,347.14
  5. Step 5: Solve for x
    x = 921,922,213,347.14/918,200.70
  6. Step 6: Final answer
    x = 1,004,053.05

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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.