Home / 1,145,870.54-1,580,748.45-763,407.98

Finding the Fourth Proportional to 1,145,870.54, 1,580,748.45 and 763,407.98

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Solution

The fourth proportional to 1,145,870.54, 1,580,748.45 and 763,407.98 is: 1,053,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,870.54 : 1,580,748.45 = 763,407.98 : x
  2. Step 2: Convert to fraction form
    1,145,870.54/1,580,748.45 = 763,407.98/x
  3. Step 3: Cross multiply
    1,145,870.54x = 1,580,748.45 × 763,407.98
  4. Step 4: Simplify right side
    1,145,870.54x = 1,206,755,973,198.89
  5. Step 5: Solve for x
    x = 1,206,755,973,198.89/1,145,870.54
  6. Step 6: Final answer
    x = 1,053,134.66

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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.