Home / 1,158,828-1,739,013.28-476,274.60

Finding the Fourth Proportional to 1,158,828, 1,739,013.28 and 476,274.60

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Solution

The fourth proportional to 1,158,828, 1,739,013.28 and 476,274.60 is: 714,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,828 : 1,739,013.28 = 476,274.60 : x
  2. Step 2: Convert to fraction form
    1,158,828/1,739,013.28 = 476,274.60/x
  3. Step 3: Cross multiply
    1,158,828x = 1,739,013.28 × 476,274.60
  4. Step 4: Simplify right side
    1,158,828x = 828,247,854,326.69
  5. Step 5: Solve for x
    x = 828,247,854,326.69/1,158,828
  6. Step 6: Final answer
    x = 714,728.89

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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.