Home / 913,315.60-1,281,441.20-913,315.60

Finding the Fourth Proportional to 913,315.60, 1,281,441.20 and 913,315.60

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Solution

The fourth proportional to 913,315.60, 1,281,441.20 and 913,315.60 is: 1,281,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,315.60 : 1,281,441.20 = 913,315.60 : x
  2. Step 2: Convert to fraction form
    913,315.60/1,281,441.20 = 913,315.60/x
  3. Step 3: Cross multiply
    913,315.60x = 1,281,441.20 × 913,315.60
  4. Step 4: Simplify right side
    913,315.60x = 1,170,360,238,442.72
  5. Step 5: Solve for x
    x = 1,170,360,238,442.72/913,315.60
  6. Step 6: Final answer
    x = 1,281,441.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.