Home / 1,157,537.80-1,736,306.70-399,377.80

Finding the Fourth Proportional to 1,157,537.80, 1,736,306.70 and 399,377.80

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Solution

The fourth proportional to 1,157,537.80, 1,736,306.70 and 399,377.80 is: 599,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,537.80 : 1,736,306.70 = 399,377.80 : x
  2. Step 2: Convert to fraction form
    1,157,537.80/1,736,306.70 = 399,377.80/x
  3. Step 3: Cross multiply
    1,157,537.80x = 1,736,306.70 × 399,377.80
  4. Step 4: Simplify right side
    1,157,537.80x = 693,442,349,971.26
  5. Step 5: Solve for x
    x = 693,442,349,971.26/1,157,537.80
  6. Step 6: Final answer
    x = 599,066.70

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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.