Home / 1,015,721.11-1,401,686.18-556,827.34

Finding the Fourth Proportional to 1,015,721.11, 1,401,686.18 and 556,827.34

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Solution

The fourth proportional to 1,015,721.11, 1,401,686.18 and 556,827.34 is: 768,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,721.11 : 1,401,686.18 = 556,827.34 : x
  2. Step 2: Convert to fraction form
    1,015,721.11/1,401,686.18 = 556,827.34/x
  3. Step 3: Cross multiply
    1,015,721.11x = 1,401,686.18 × 556,827.34
  4. Step 4: Simplify right side
    1,015,721.11x = 780,497,180,835.81
  5. Step 5: Solve for x
    x = 780,497,180,835.81/1,015,721.11
  6. Step 6: Final answer
    x = 768,416.82

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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.