Home / 1,144,341.61-1,715,315.91-385,921.06

Finding the Fourth Proportional to 1,144,341.61, 1,715,315.91 and 385,921.06

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Solution

The fourth proportional to 1,144,341.61, 1,715,315.91 and 385,921.06 is: 578,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,341.61 : 1,715,315.91 = 385,921.06 : x
  2. Step 2: Convert to fraction form
    1,144,341.61/1,715,315.91 = 385,921.06/x
  3. Step 3: Cross multiply
    1,144,341.61x = 1,715,315.91 × 385,921.06
  4. Step 4: Simplify right side
    1,144,341.61x = 661,976,534,222.07
  5. Step 5: Solve for x
    x = 661,976,534,222.07/1,144,341.61
  6. Step 6: Final answer
    x = 578,478.08

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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.