Home / 1,752,780-2,418,836.40-947,964

Finding the Fourth Proportional to 1,752,780, 2,418,836.40 and 947,964

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Solution

The fourth proportional to 1,752,780, 2,418,836.40 and 947,964 is: 1,308,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,780 : 2,418,836.40 = 947,964 : x
  2. Step 2: Convert to fraction form
    1,752,780/2,418,836.40 = 947,964/x
  3. Step 3: Cross multiply
    1,752,780x = 2,418,836.40 × 947,964
  4. Step 4: Simplify right side
    1,752,780x = 2,292,969,829,089.60
  5. Step 5: Solve for x
    x = 2,292,969,829,089.60/1,752,780
  6. Step 6: Final answer
    x = 1,308,190.32

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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.