Home / 1,276,877.73-1,762,104.90-703,938.40

Finding the Fourth Proportional to 1,276,877.73, 1,762,104.90 and 703,938.40

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Solution

The fourth proportional to 1,276,877.73, 1,762,104.90 and 703,938.40 is: 971,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,877.73 : 1,762,104.90 = 703,938.40 : x
  2. Step 2: Convert to fraction form
    1,276,877.73/1,762,104.90 = 703,938.40/x
  3. Step 3: Cross multiply
    1,276,877.73x = 1,762,104.90 × 703,938.40
  4. Step 4: Simplify right side
    1,276,877.73x = 1,240,413,305,703.65
  5. Step 5: Solve for x
    x = 1,240,413,305,703.65/1,276,877.73
  6. Step 6: Final answer
    x = 971,442.51

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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.