Home / 1,240,977.18-1,712,361.96-697,008.72

Finding the Fourth Proportional to 1,240,977.18, 1,712,361.96 and 697,008.72

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Solution

The fourth proportional to 1,240,977.18, 1,712,361.96 and 697,008.72 is: 961,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,977.18 : 1,712,361.96 = 697,008.72 : x
  2. Step 2: Convert to fraction form
    1,240,977.18/1,712,361.96 = 697,008.72/x
  3. Step 3: Cross multiply
    1,240,977.18x = 1,712,361.96 × 697,008.72
  4. Step 4: Simplify right side
    1,240,977.18x = 1,193,531,217,916.29
  5. Step 5: Solve for x
    x = 1,193,531,217,916.29/1,240,977.18
  6. Step 6: Final answer
    x = 961,767.26

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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.