Home / 918,984.80-1,377,455.69-693,614.45

Finding the Fourth Proportional to 918,984.80, 1,377,455.69 and 693,614.45

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Solution

The fourth proportional to 918,984.80, 1,377,455.69 and 693,614.45 is: 1,039,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,984.80 : 1,377,455.69 = 693,614.45 : x
  2. Step 2: Convert to fraction form
    918,984.80/1,377,455.69 = 693,614.45/x
  3. Step 3: Cross multiply
    918,984.80x = 1,377,455.69 × 693,614.45
  4. Step 4: Simplify right side
    918,984.80x = 955,423,170,794.29
  5. Step 5: Solve for x
    x = 955,423,170,794.29/918,984.80
  6. Step 6: Final answer
    x = 1,039,650.68

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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.