Home / 1,020,706.46-1,408,563.76-561,811.20

Finding the Fourth Proportional to 1,020,706.46, 1,408,563.76 and 561,811.20

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Solution

The fourth proportional to 1,020,706.46, 1,408,563.76 and 561,811.20 is: 775,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,706.46 : 1,408,563.76 = 561,811.20 : x
  2. Step 2: Convert to fraction form
    1,020,706.46/1,408,563.76 = 561,811.20/x
  3. Step 3: Cross multiply
    1,020,706.46x = 1,408,563.76 × 561,811.20
  4. Step 4: Simplify right side
    1,020,706.46x = 791,346,896,282.11
  5. Step 5: Solve for x
    x = 791,346,896,282.11/1,020,706.46
  6. Step 6: Final answer
    x = 775,293.32

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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.