Home / 1,207,754.40-1,666,701.28-663,925.26

Finding the Fourth Proportional to 1,207,754.40, 1,666,701.28 and 663,925.26

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Solution

The fourth proportional to 1,207,754.40, 1,666,701.28 and 663,925.26 is: 916,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,754.40 : 1,666,701.28 = 663,925.26 : x
  2. Step 2: Convert to fraction form
    1,207,754.40/1,666,701.28 = 663,925.26/x
  3. Step 3: Cross multiply
    1,207,754.40x = 1,666,701.28 × 663,925.26
  4. Step 4: Simplify right side
    1,207,754.40x = 1,106,565,080,666.33
  5. Step 5: Solve for x
    x = 1,106,565,080,666.33/1,207,754.40
  6. Step 6: Final answer
    x = 916,216.97

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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.