Home / 1,327,521-1,987,652.64-928,560.36

Finding the Fourth Proportional to 1,327,521, 1,987,652.64 and 928,560.36

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Solution

The fourth proportional to 1,327,521, 1,987,652.64 and 928,560.36 is: 1,390,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,521 : 1,987,652.64 = 928,560.36 : x
  2. Step 2: Convert to fraction form
    1,327,521/1,987,652.64 = 928,560.36/x
  3. Step 3: Cross multiply
    1,327,521x = 1,987,652.64 × 928,560.36
  4. Step 4: Simplify right side
    1,327,521x = 1,845,655,450,953.35
  5. Step 5: Solve for x
    x = 1,845,655,450,953.35/1,327,521
  6. Step 6: Final answer
    x = 1,390,302.26

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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.