Home / 1,347,139.42-2,021,030.86-448,588.95

Finding the Fourth Proportional to 1,347,139.42, 2,021,030.86 and 448,588.95

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Solution

The fourth proportional to 1,347,139.42, 2,021,030.86 and 448,588.95 is: 672,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,139.42 : 2,021,030.86 = 448,588.95 : x
  2. Step 2: Convert to fraction form
    1,347,139.42/2,021,030.86 = 448,588.95/x
  3. Step 3: Cross multiply
    1,347,139.42x = 2,021,030.86 × 448,588.95
  4. Step 4: Simplify right side
    1,347,139.42x = 906,612,111,405.00
  5. Step 5: Solve for x
    x = 906,612,111,405.00/1,347,139.42
  6. Step 6: Final answer
    x = 672,990.56

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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.