Home / 918,013.80-1,377,020.70-740,866.80

Finding the Fourth Proportional to 918,013.80, 1,377,020.70 and 740,866.80

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Solution

The fourth proportional to 918,013.80, 1,377,020.70 and 740,866.80 is: 1,111,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,013.80 : 1,377,020.70 = 740,866.80 : x
  2. Step 2: Convert to fraction form
    918,013.80/1,377,020.70 = 740,866.80/x
  3. Step 3: Cross multiply
    918,013.80x = 1,377,020.70 × 740,866.80
  4. Step 4: Simplify right side
    918,013.80x = 1,020,188,919,542.76
  5. Step 5: Solve for x
    x = 1,020,188,919,542.76/918,013.80
  6. Step 6: Final answer
    x = 1,111,300.20

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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.