Home / 1,010,078.84-1,393,938.45-551,223.02

Finding the Fourth Proportional to 1,010,078.84, 1,393,938.45 and 551,223.02

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Solution

The fourth proportional to 1,010,078.84, 1,393,938.45 and 551,223.02 is: 760,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,078.84 : 1,393,938.45 = 551,223.02 : x
  2. Step 2: Convert to fraction form
    1,010,078.84/1,393,938.45 = 551,223.02/x
  3. Step 3: Cross multiply
    1,010,078.84x = 1,393,938.45 × 551,223.02
  4. Step 4: Simplify right side
    1,010,078.84x = 768,370,965,587.97
  5. Step 5: Solve for x
    x = 768,370,965,587.97/1,010,078.84
  6. Step 6: Final answer
    x = 760,703.95

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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.