Home / 1,287,654-1,776,962.52-834,948.24

Finding the Fourth Proportional to 1,287,654, 1,776,962.52 and 834,948.24

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Solution

The fourth proportional to 1,287,654, 1,776,962.52 and 834,948.24 is: 1,152,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,654 : 1,776,962.52 = 834,948.24 : x
  2. Step 2: Convert to fraction form
    1,287,654/1,776,962.52 = 834,948.24/x
  3. Step 3: Cross multiply
    1,287,654x = 1,776,962.52 × 834,948.24
  4. Step 4: Simplify right side
    1,287,654x = 1,483,671,728,619.97
  5. Step 5: Solve for x
    x = 1,483,671,728,619.97/1,287,654
  6. Step 6: Final answer
    x = 1,152,228.57

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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.