Home / 1,010,685.04-1,393,083.60-716,433.28

Finding the Fourth Proportional to 1,010,685.04, 1,393,083.60 and 716,433.28

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Solution

The fourth proportional to 1,010,685.04, 1,393,083.60 and 716,433.28 is: 987,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,685.04 : 1,393,083.60 = 716,433.28 : x
  2. Step 2: Convert to fraction form
    1,010,685.04/1,393,083.60 = 716,433.28/x
  3. Step 3: Cross multiply
    1,010,685.04x = 1,393,083.60 × 716,433.28
  4. Step 4: Simplify right side
    1,010,685.04x = 998,051,452,862.21
  5. Step 5: Solve for x
    x = 998,051,452,862.21/1,010,685.04
  6. Step 6: Final answer
    x = 987,499.98

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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.