Home / 998,580.60-1,497,870.90-839,148.30

Finding the Fourth Proportional to 998,580.60, 1,497,870.90 and 839,148.30

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Solution

The fourth proportional to 998,580.60, 1,497,870.90 and 839,148.30 is: 1,258,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,580.60 : 1,497,870.90 = 839,148.30 : x
  2. Step 2: Convert to fraction form
    998,580.60/1,497,870.90 = 839,148.30/x
  3. Step 3: Cross multiply
    998,580.60x = 1,497,870.90 × 839,148.30
  4. Step 4: Simplify right side
    998,580.60x = 1,256,935,819,354.47
  5. Step 5: Solve for x
    x = 1,256,935,819,354.47/998,580.60
  6. Step 6: Final answer
    x = 1,258,722.45

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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.