Home / 1,408,265.96-1,943,407.47-763,685.96

Finding the Fourth Proportional to 1,408,265.96, 1,943,407.47 and 763,685.96

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Solution

The fourth proportional to 1,408,265.96, 1,943,407.47 and 763,685.96 is: 1,053,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,265.96 : 1,943,407.47 = 763,685.96 : x
  2. Step 2: Convert to fraction form
    1,408,265.96/1,943,407.47 = 763,685.96/x
  3. Step 3: Cross multiply
    1,408,265.96x = 1,943,407.47 × 763,685.96
  4. Step 4: Simplify right side
    1,408,265.96x = 1,484,152,999,398.12
  5. Step 5: Solve for x
    x = 1,484,152,999,398.12/1,408,265.96
  6. Step 6: Final answer
    x = 1,053,886.87

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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.