Home / 918,009.30-1,377,013.95-740,862.30

Finding the Fourth Proportional to 918,009.30, 1,377,013.95 and 740,862.30

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Solution

The fourth proportional to 918,009.30, 1,377,013.95 and 740,862.30 is: 1,111,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,009.30 : 1,377,013.95 = 740,862.30 : x
  2. Step 2: Convert to fraction form
    918,009.30/1,377,013.95 = 740,862.30/x
  3. Step 3: Cross multiply
    918,009.30x = 1,377,013.95 × 740,862.30
  4. Step 4: Simplify right side
    918,009.30x = 1,020,177,722,129.09
  5. Step 5: Solve for x
    x = 1,020,177,722,129.09/918,009.30
  6. Step 6: Final answer
    x = 1,111,293.45

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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.