Home / 1,011,172.16-1,515,031.88-556,144.28

Finding the Fourth Proportional to 1,011,172.16, 1,515,031.88 and 556,144.28

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Solution

The fourth proportional to 1,011,172.16, 1,515,031.88 and 556,144.28 is: 833,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,172.16 : 1,515,031.88 = 556,144.28 : x
  2. Step 2: Convert to fraction form
    1,011,172.16/1,515,031.88 = 556,144.28/x
  3. Step 3: Cross multiply
    1,011,172.16x = 1,515,031.88 × 556,144.28
  4. Step 4: Simplify right side
    1,011,172.16x = 842,576,314,079.65
  5. Step 5: Solve for x
    x = 842,576,314,079.65/1,011,172.16
  6. Step 6: Final answer
    x = 833,266.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.