Home / 1,220,460.27-1,830,019.71-969,348.93

Finding the Fourth Proportional to 1,220,460.27, 1,830,019.71 and 969,348.93

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Solution

The fourth proportional to 1,220,460.27, 1,830,019.71 and 969,348.93 is: 1,453,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,460.27 : 1,830,019.71 = 969,348.93 : x
  2. Step 2: Convert to fraction form
    1,220,460.27/1,830,019.71 = 969,348.93/x
  3. Step 3: Cross multiply
    1,220,460.27x = 1,830,019.71 × 969,348.93
  4. Step 4: Simplify right side
    1,220,460.27x = 1,773,927,647,767.41
  5. Step 5: Solve for x
    x = 1,773,927,647,767.41/1,220,460.27
  6. Step 6: Final answer
    x = 1,453,490.70

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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.