Home / 1,240,941.63-1,712,406.08-696,971.18

Finding the Fourth Proportional to 1,240,941.63, 1,712,406.08 and 696,971.18

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Solution

The fourth proportional to 1,240,941.63, 1,712,406.08 and 696,971.18 is: 961,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,941.63 : 1,712,406.08 = 696,971.18 : x
  2. Step 2: Convert to fraction form
    1,240,941.63/1,712,406.08 = 696,971.18/x
  3. Step 3: Cross multiply
    1,240,941.63x = 1,712,406.08 × 696,971.18
  4. Step 4: Simplify right side
    1,240,941.63x = 1,193,497,674,169.89
  5. Step 5: Solve for x
    x = 1,193,497,674,169.89/1,240,941.63
  6. Step 6: Final answer
    x = 961,767.78

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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.