Home / 972,110.40-1,458,165.60-771,343.80

Finding the Fourth Proportional to 972,110.40, 1,458,165.60 and 771,343.80

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Solution

The fourth proportional to 972,110.40, 1,458,165.60 and 771,343.80 is: 1,157,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,110.40 : 1,458,165.60 = 771,343.80 : x
  2. Step 2: Convert to fraction form
    972,110.40/1,458,165.60 = 771,343.80/x
  3. Step 3: Cross multiply
    972,110.40x = 1,458,165.60 × 771,343.80
  4. Step 4: Simplify right side
    972,110.40x = 1,124,746,994,933.28
  5. Step 5: Solve for x
    x = 1,124,746,994,933.28/972,110.40
  6. Step 6: Final answer
    x = 1,157,015.70

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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.