Home / 1,017,080.08-1,403,842.80-634,876.72

Finding the Fourth Proportional to 1,017,080.08, 1,403,842.80 and 634,876.72

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Solution

The fourth proportional to 1,017,080.08, 1,403,842.80 and 634,876.72 is: 876,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,080.08 : 1,403,842.80 = 634,876.72 : x
  2. Step 2: Convert to fraction form
    1,017,080.08/1,403,842.80 = 634,876.72/x
  3. Step 3: Cross multiply
    1,017,080.08x = 1,403,842.80 × 634,876.72
  4. Step 4: Simplify right side
    1,017,080.08x = 891,267,112,259.62
  5. Step 5: Solve for x
    x = 891,267,112,259.62/1,017,080.08
  6. Step 6: Final answer
    x = 876,299.84

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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.