Home / 1,220,458.77-1,830,017.46-969,347.43

Finding the Fourth Proportional to 1,220,458.77, 1,830,017.46 and 969,347.43

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Solution

The fourth proportional to 1,220,458.77, 1,830,017.46 and 969,347.43 is: 1,453,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,458.77 : 1,830,017.46 = 969,347.43 : x
  2. Step 2: Convert to fraction form
    1,220,458.77/1,830,017.46 = 969,347.43/x
  3. Step 3: Cross multiply
    1,220,458.77x = 1,830,017.46 × 969,347.43
  4. Step 4: Simplify right side
    1,220,458.77x = 1,773,922,721,706.13
  5. Step 5: Solve for x
    x = 1,773,922,721,706.13/1,220,458.77
  6. Step 6: Final answer
    x = 1,453,488.45

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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.