Home / 1,021,652.16-1,408,407.06-714,777.80

Finding the Fourth Proportional to 1,021,652.16, 1,408,407.06 and 714,777.80

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Solution

The fourth proportional to 1,021,652.16, 1,408,407.06 and 714,777.80 is: 985,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,652.16 : 1,408,407.06 = 714,777.80 : x
  2. Step 2: Convert to fraction form
    1,021,652.16/1,408,407.06 = 714,777.80/x
  3. Step 3: Cross multiply
    1,021,652.16x = 1,408,407.06 × 714,777.80
  4. Step 4: Simplify right side
    1,021,652.16x = 1,006,698,099,851.27
  5. Step 5: Solve for x
    x = 1,006,698,099,851.27/1,021,652.16
  6. Step 6: Final answer
    x = 985,362.87

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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.