Home / 1,267,660.84-1,749,373.47-686,883.55

Finding the Fourth Proportional to 1,267,660.84, 1,749,373.47 and 686,883.55

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Solution

The fourth proportional to 1,267,660.84, 1,749,373.47 and 686,883.55 is: 947,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,660.84 : 1,749,373.47 = 686,883.55 : x
  2. Step 2: Convert to fraction form
    1,267,660.84/1,749,373.47 = 686,883.55/x
  3. Step 3: Cross multiply
    1,267,660.84x = 1,749,373.47 × 686,883.55
  4. Step 4: Simplify right side
    1,267,660.84x = 1,201,615,859,349.42
  5. Step 5: Solve for x
    x = 1,201,615,859,349.42/1,267,660.84
  6. Step 6: Final answer
    x = 947,900.12

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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.