Home / 1,020,706.95-1,408,564.45-561,811.69

Finding the Fourth Proportional to 1,020,706.95, 1,408,564.45 and 561,811.69

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Solution

The fourth proportional to 1,020,706.95, 1,408,564.45 and 561,811.69 is: 775,294.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,706.95 : 1,408,564.45 = 561,811.69 : x
  2. Step 2: Convert to fraction form
    1,020,706.95/1,408,564.45 = 561,811.69/x
  3. Step 3: Cross multiply
    1,020,706.95x = 1,408,564.45 × 561,811.69
  4. Step 4: Simplify right side
    1,020,706.95x = 791,347,974,128.42
  5. Step 5: Solve for x
    x = 791,347,974,128.42/1,020,706.95
  6. Step 6: Final answer
    x = 775,294.00

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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.