Home / 1,793,531.45-2,475,057.16-988,715.45

Finding the Fourth Proportional to 1,793,531.45, 2,475,057.16 and 988,715.45

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Solution

The fourth proportional to 1,793,531.45, 2,475,057.16 and 988,715.45 is: 1,364,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,531.45 : 2,475,057.16 = 988,715.45 : x
  2. Step 2: Convert to fraction form
    1,793,531.45/2,475,057.16 = 988,715.45/x
  3. Step 3: Cross multiply
    1,793,531.45x = 2,475,057.16 × 988,715.45
  4. Step 4: Simplify right side
    1,793,531.45x = 2,447,127,261,148.66
  5. Step 5: Solve for x
    x = 2,447,127,261,148.66/1,793,531.45
  6. Step 6: Final answer
    x = 1,364,418.37

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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.