Home / 1,510,091.84-2,084,012.40-865,619.12

Finding the Fourth Proportional to 1,510,091.84, 2,084,012.40 and 865,619.12

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Solution

The fourth proportional to 1,510,091.84, 2,084,012.40 and 865,619.12 is: 1,194,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,091.84 : 2,084,012.40 = 865,619.12 : x
  2. Step 2: Convert to fraction form
    1,510,091.84/2,084,012.40 = 865,619.12/x
  3. Step 3: Cross multiply
    1,510,091.84x = 2,084,012.40 × 865,619.12
  4. Step 4: Simplify right side
    1,510,091.84x = 1,803,960,979,757.09
  5. Step 5: Solve for x
    x = 1,803,960,979,757.09/1,510,091.84
  6. Step 6: Final answer
    x = 1,194,603.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.