Home / 1,267,072.52-1,748,546.16-686,281.21

Finding the Fourth Proportional to 1,267,072.52, 1,748,546.16 and 686,281.21

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Solution

The fourth proportional to 1,267,072.52, 1,748,546.16 and 686,281.21 is: 947,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,072.52 : 1,748,546.16 = 686,281.21 : x
  2. Step 2: Convert to fraction form
    1,267,072.52/1,748,546.16 = 686,281.21/x
  3. Step 3: Cross multiply
    1,267,072.52x = 1,748,546.16 × 686,281.21
  4. Step 4: Simplify right side
    1,267,072.52x = 1,199,994,373,271.23
  5. Step 5: Solve for x
    x = 1,199,994,373,271.23/1,267,072.52
  6. Step 6: Final answer
    x = 947,060.53

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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.