Home / 774,851.64-1,158,878.07-690,060.39

Finding the Fourth Proportional to 774,851.64, 1,158,878.07 and 690,060.39

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Solution

The fourth proportional to 774,851.64, 1,158,878.07 and 690,060.39 is: 1,032,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,851.64 : 1,158,878.07 = 690,060.39 : x
  2. Step 2: Convert to fraction form
    774,851.64/1,158,878.07 = 690,060.39/x
  3. Step 3: Cross multiply
    774,851.64x = 1,158,878.07 × 690,060.39
  4. Step 4: Simplify right side
    774,851.64x = 799,695,852,946.65
  5. Step 5: Solve for x
    x = 799,695,852,946.65/774,851.64
  6. Step 6: Final answer
    x = 1,032,063.19

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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.