Home / 972,129.60-1,456,444.80-793,670.40

Finding the Fourth Proportional to 972,129.60, 1,456,444.80 and 793,670.40

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Solution

The fourth proportional to 972,129.60, 1,456,444.80 and 793,670.40 is: 1,189,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,129.60 : 1,456,444.80 = 793,670.40 : x
  2. Step 2: Convert to fraction form
    972,129.60/1,456,444.80 = 793,670.40/x
  3. Step 3: Cross multiply
    972,129.60x = 1,456,444.80 × 793,670.40
  4. Step 4: Simplify right side
    972,129.60x = 1,155,937,126,993.92
  5. Step 5: Solve for x
    x = 1,155,937,126,993.92/972,129.60
  6. Step 6: Final answer
    x = 1,189,077.18

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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.