Home / 891,023.40-1,334,979.90-766,607.40

Finding the Fourth Proportional to 891,023.40, 1,334,979.90 and 766,607.40

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Solution

The fourth proportional to 891,023.40, 1,334,979.90 and 766,607.40 is: 1,148,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,023.40 : 1,334,979.90 = 766,607.40 : x
  2. Step 2: Convert to fraction form
    891,023.40/1,334,979.90 = 766,607.40/x
  3. Step 3: Cross multiply
    891,023.40x = 1,334,979.90 × 766,607.40
  4. Step 4: Simplify right side
    891,023.40x = 1,023,405,470,191.26
  5. Step 5: Solve for x
    x = 1,023,405,470,191.26/891,023.40
  6. Step 6: Final answer
    x = 1,148,573.06

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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.