Home / 1,237,672.80-1,853,398.80-988,840.80

Finding the Fourth Proportional to 1,237,672.80, 1,853,398.80 and 988,840.80

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Solution

The fourth proportional to 1,237,672.80, 1,853,398.80 and 988,840.80 is: 1,480,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,672.80 : 1,853,398.80 = 988,840.80 : x
  2. Step 2: Convert to fraction form
    1,237,672.80/1,853,398.80 = 988,840.80/x
  3. Step 3: Cross multiply
    1,237,672.80x = 1,853,398.80 × 988,840.80
  4. Step 4: Simplify right side
    1,237,672.80x = 1,832,716,352,111.04
  5. Step 5: Solve for x
    x = 1,832,716,352,111.04/1,237,672.80
  6. Step 6: Final answer
    x = 1,480,776.14

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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.