Home / 1,046,835.20-1,444,659.20-644,505.60

Finding the Fourth Proportional to 1,046,835.20, 1,444,659.20 and 644,505.60

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Solution

The fourth proportional to 1,046,835.20, 1,444,659.20 and 644,505.60 is: 889,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,835.20 : 1,444,659.20 = 644,505.60 : x
  2. Step 2: Convert to fraction form
    1,046,835.20/1,444,659.20 = 644,505.60/x
  3. Step 3: Cross multiply
    1,046,835.20x = 1,444,659.20 × 644,505.60
  4. Step 4: Simplify right side
    1,046,835.20x = 931,090,944,491.52
  5. Step 5: Solve for x
    x = 931,090,944,491.52/1,046,835.20
  6. Step 6: Final answer
    x = 889,434.12

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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.