Home / 1,257,140.72-1,732,840.08-849,114.56

Finding the Fourth Proportional to 1,257,140.72, 1,732,840.08 and 849,114.56

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Solution

The fourth proportional to 1,257,140.72, 1,732,840.08 and 849,114.56 is: 1,170,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,140.72 : 1,732,840.08 = 849,114.56 : x
  2. Step 2: Convert to fraction form
    1,257,140.72/1,732,840.08 = 849,114.56/x
  3. Step 3: Cross multiply
    1,257,140.72x = 1,732,840.08 × 849,114.56
  4. Step 4: Simplify right side
    1,257,140.72x = 1,471,379,742,079.57
  5. Step 5: Solve for x
    x = 1,471,379,742,079.57/1,257,140.72
  6. Step 6: Final answer
    x = 1,170,417.69

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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.