Home / 1,121,888.68-1,548,328.26-692,157.76

Finding the Fourth Proportional to 1,121,888.68, 1,548,328.26 and 692,157.76

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Solution

The fourth proportional to 1,121,888.68, 1,548,328.26 and 692,157.76 is: 955,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,888.68 : 1,548,328.26 = 692,157.76 : x
  2. Step 2: Convert to fraction form
    1,121,888.68/1,548,328.26 = 692,157.76/x
  3. Step 3: Cross multiply
    1,121,888.68x = 1,548,328.26 × 692,157.76
  4. Step 4: Simplify right side
    1,121,888.68x = 1,071,687,418,911.07
  5. Step 5: Solve for x
    x = 1,071,687,418,911.07/1,121,888.68
  6. Step 6: Final answer
    x = 955,252.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.