Home / 1,775,920.80-2,663,881.20-654,427.20

Finding the Fourth Proportional to 1,775,920.80, 2,663,881.20 and 654,427.20

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Solution

The fourth proportional to 1,775,920.80, 2,663,881.20 and 654,427.20 is: 981,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,920.80 : 2,663,881.20 = 654,427.20 : x
  2. Step 2: Convert to fraction form
    1,775,920.80/2,663,881.20 = 654,427.20/x
  3. Step 3: Cross multiply
    1,775,920.80x = 2,663,881.20 × 654,427.20
  4. Step 4: Simplify right side
    1,775,920.80x = 1,743,316,314,848.64
  5. Step 5: Solve for x
    x = 1,743,316,314,848.64/1,775,920.80
  6. Step 6: Final answer
    x = 981,640.80

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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.