Home / 1,154,709.09-1,731,859.50-313,326.45

Finding the Fourth Proportional to 1,154,709.09, 1,731,859.50 and 313,326.45

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Solution

The fourth proportional to 1,154,709.09, 1,731,859.50 and 313,326.45 is: 469,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,709.09 : 1,731,859.50 = 313,326.45 : x
  2. Step 2: Convert to fraction form
    1,154,709.09/1,731,859.50 = 313,326.45/x
  3. Step 3: Cross multiply
    1,154,709.09x = 1,731,859.50 × 313,326.45
  4. Step 4: Simplify right side
    1,154,709.09x = 542,637,389,033.78
  5. Step 5: Solve for x
    x = 542,637,389,033.78/1,154,709.09
  6. Step 6: Final answer
    x = 469,934.28

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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.