Home / 1,157,870.40-1,597,273.28-790,071.68

Finding the Fourth Proportional to 1,157,870.40, 1,597,273.28 and 790,071.68

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Solution

The fourth proportional to 1,157,870.40, 1,597,273.28 and 790,071.68 is: 1,089,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,870.40 : 1,597,273.28 = 790,071.68 : x
  2. Step 2: Convert to fraction form
    1,157,870.40/1,597,273.28 = 790,071.68/x
  3. Step 3: Cross multiply
    1,157,870.40x = 1,597,273.28 × 790,071.68
  4. Step 4: Simplify right side
    1,157,870.40x = 1,261,960,383,748.71
  5. Step 5: Solve for x
    x = 1,261,960,383,748.71/1,157,870.40
  6. Step 6: Final answer
    x = 1,089,897.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.