Home / 1,021,454.93-1,409,503.49-628,925.55

Finding the Fourth Proportional to 1,021,454.93, 1,409,503.49 and 628,925.55

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Solution

The fourth proportional to 1,021,454.93, 1,409,503.49 and 628,925.55 is: 867,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,454.93 : 1,409,503.49 = 628,925.55 : x
  2. Step 2: Convert to fraction form
    1,021,454.93/1,409,503.49 = 628,925.55/x
  3. Step 3: Cross multiply
    1,021,454.93x = 1,409,503.49 × 628,925.55
  4. Step 4: Simplify right side
    1,021,454.93x = 886,472,756,292.42
  5. Step 5: Solve for x
    x = 886,472,756,292.42/1,021,454.93
  6. Step 6: Final answer
    x = 867,853.03

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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.