Home / 1,237,077.66-1,852,466.40-815,074.14

Finding the Fourth Proportional to 1,237,077.66, 1,852,466.40 and 815,074.14

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Solution

The fourth proportional to 1,237,077.66, 1,852,466.40 and 815,074.14 is: 1,220,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,077.66 : 1,852,466.40 = 815,074.14 : x
  2. Step 2: Convert to fraction form
    1,237,077.66/1,852,466.40 = 815,074.14/x
  3. Step 3: Cross multiply
    1,237,077.66x = 1,852,466.40 × 815,074.14
  4. Step 4: Simplify right side
    1,237,077.66x = 1,509,897,457,858.90
  5. Step 5: Solve for x
    x = 1,509,897,457,858.90/1,237,077.66
  6. Step 6: Final answer
    x = 1,220,535.71

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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.