Home / 1,130,486.02-1,560,140.49-647,040.86

Finding the Fourth Proportional to 1,130,486.02, 1,560,140.49 and 647,040.86

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Solution

The fourth proportional to 1,130,486.02, 1,560,140.49 and 647,040.86 is: 892,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,486.02 : 1,560,140.49 = 647,040.86 : x
  2. Step 2: Convert to fraction form
    1,130,486.02/1,560,140.49 = 647,040.86/x
  3. Step 3: Cross multiply
    1,130,486.02x = 1,560,140.49 × 647,040.86
  4. Step 4: Simplify right side
    1,130,486.02x = 1,009,474,644,846.65
  5. Step 5: Solve for x
    x = 1,009,474,644,846.65/1,130,486.02
  6. Step 6: Final answer
    x = 892,956.33

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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.