Home / 1,107,287.48-1,660,773.49-349,030.40

Finding the Fourth Proportional to 1,107,287.48, 1,660,773.49 and 349,030.40

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Solution

The fourth proportional to 1,107,287.48, 1,660,773.49 and 349,030.40 is: 523,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,287.48 : 1,660,773.49 = 349,030.40 : x
  2. Step 2: Convert to fraction form
    1,107,287.48/1,660,773.49 = 349,030.40/x
  3. Step 3: Cross multiply
    1,107,287.48x = 1,660,773.49 × 349,030.40
  4. Step 4: Simplify right side
    1,107,287.48x = 579,660,438,803.45
  5. Step 5: Solve for x
    x = 579,660,438,803.45/1,107,287.48
  6. Step 6: Final answer
    x = 523,495.89

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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.