Home / 772,885.80-1,159,328.70-744,892.20

Finding the Fourth Proportional to 772,885.80, 1,159,328.70 and 744,892.20

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Solution

The fourth proportional to 772,885.80, 1,159,328.70 and 744,892.20 is: 1,117,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,885.80 : 1,159,328.70 = 744,892.20 : x
  2. Step 2: Convert to fraction form
    772,885.80/1,159,328.70 = 744,892.20/x
  3. Step 3: Cross multiply
    772,885.80x = 1,159,328.70 × 744,892.20
  4. Step 4: Simplify right side
    772,885.80x = 863,574,905,866.14
  5. Step 5: Solve for x
    x = 863,574,905,866.14/772,885.80
  6. Step 6: Final answer
    x = 1,117,338.30

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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.