Home / 1,015,221.89-1,401,643.26-653,274.77

Finding the Fourth Proportional to 1,015,221.89, 1,401,643.26 and 653,274.77

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Solution

The fourth proportional to 1,015,221.89, 1,401,643.26 and 653,274.77 is: 901,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,221.89 : 1,401,643.26 = 653,274.77 : x
  2. Step 2: Convert to fraction form
    1,015,221.89/1,401,643.26 = 653,274.77/x
  3. Step 3: Cross multiply
    1,015,221.89x = 1,401,643.26 × 653,274.77
  4. Step 4: Simplify right side
    1,015,221.89x = 915,658,175,032.18
  5. Step 5: Solve for x
    x = 915,658,175,032.18/1,015,221.89
  6. Step 6: Final answer
    x = 901,929.11

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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.