Home / 972,002.45-1,458,003.68-836,700.05

Finding the Fourth Proportional to 972,002.45, 1,458,003.68 and 836,700.05

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Solution

The fourth proportional to 972,002.45, 1,458,003.68 and 836,700.05 is: 1,255,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,002.45 : 1,458,003.68 = 836,700.05 : x
  2. Step 2: Convert to fraction form
    972,002.45/1,458,003.68 = 836,700.05/x
  3. Step 3: Cross multiply
    972,002.45x = 1,458,003.68 × 836,700.05
  4. Step 4: Simplify right side
    972,002.45x = 1,219,911,751,956.18
  5. Step 5: Solve for x
    x = 1,219,911,751,956.18/972,002.45
  6. Step 6: Final answer
    x = 1,255,050.08

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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.