Home / 1,013,788.60-1,398,881.82-561,078.52

Finding the Fourth Proportional to 1,013,788.60, 1,398,881.82 and 561,078.52

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Solution

The fourth proportional to 1,013,788.60, 1,398,881.82 and 561,078.52 is: 774,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,788.60 : 1,398,881.82 = 561,078.52 : x
  2. Step 2: Convert to fraction form
    1,013,788.60/1,398,881.82 = 561,078.52/x
  3. Step 3: Cross multiply
    1,013,788.60x = 1,398,881.82 × 561,078.52
  4. Step 4: Simplify right side
    1,013,788.60x = 784,882,541,220.51
  5. Step 5: Solve for x
    x = 784,882,541,220.51/1,013,788.60
  6. Step 6: Final answer
    x = 774,207.31

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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.