Home / 1,230,754.10-1,698,436.96-686,883.92

Finding the Fourth Proportional to 1,230,754.10, 1,698,436.96 and 686,883.92

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Solution

The fourth proportional to 1,230,754.10, 1,698,436.96 and 686,883.92 is: 947,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,754.10 : 1,698,436.96 = 686,883.92 : x
  2. Step 2: Convert to fraction form
    1,230,754.10/1,698,436.96 = 686,883.92/x
  3. Step 3: Cross multiply
    1,230,754.10x = 1,698,436.96 × 686,883.92
  4. Step 4: Simplify right side
    1,230,754.10x = 1,166,629,026,748.29
  5. Step 5: Solve for x
    x = 1,166,629,026,748.29/1,230,754.10
  6. Step 6: Final answer
    x = 947,897.74

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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.