Home / 979,501.80-1,467,284.40-660,637.20

Finding the Fourth Proportional to 979,501.80, 1,467,284.40 and 660,637.20

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Solution

The fourth proportional to 979,501.80, 1,467,284.40 and 660,637.20 is: 989,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,501.80 : 1,467,284.40 = 660,637.20 : x
  2. Step 2: Convert to fraction form
    979,501.80/1,467,284.40 = 660,637.20/x
  3. Step 3: Cross multiply
    979,501.80x = 1,467,284.40 × 660,637.20
  4. Step 4: Simplify right side
    979,501.80x = 969,342,657,619.68
  5. Step 5: Solve for x
    x = 969,342,657,619.68/979,501.80
  6. Step 6: Final answer
    x = 989,628.26

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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.