Home / 1,020,695.31-1,408,548.42-561,800.07

Finding the Fourth Proportional to 1,020,695.31, 1,408,548.42 and 561,800.07

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Solution

The fourth proportional to 1,020,695.31, 1,408,548.42 and 561,800.07 is: 775,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,695.31 : 1,408,548.42 = 561,800.07 : x
  2. Step 2: Convert to fraction form
    1,020,695.31/1,408,548.42 = 561,800.07/x
  3. Step 3: Cross multiply
    1,020,695.31x = 1,408,548.42 × 561,800.07
  4. Step 4: Simplify right side
    1,020,695.31x = 791,322,600,954.39
  5. Step 5: Solve for x
    x = 791,322,600,954.39/1,020,695.31
  6. Step 6: Final answer
    x = 775,277.98

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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.