Home / 1,016,808.80-1,402,613.12-634,171.28

Finding the Fourth Proportional to 1,016,808.80, 1,402,613.12 and 634,171.28

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Solution

The fourth proportional to 1,016,808.80, 1,402,613.12 and 634,171.28 is: 874,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,808.80 : 1,402,613.12 = 634,171.28 : x
  2. Step 2: Convert to fraction form
    1,016,808.80/1,402,613.12 = 634,171.28/x
  3. Step 3: Cross multiply
    1,016,808.80x = 1,402,613.12 × 634,171.28
  4. Step 4: Simplify right side
    1,016,808.80x = 889,496,957,655.19
  5. Step 5: Solve for x
    x = 889,496,957,655.19/1,016,808.80
  6. Step 6: Final answer
    x = 874,792.74

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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.