Home / 1,360,102.66-2,038,472.39-686,376.72

Finding the Fourth Proportional to 1,360,102.66, 2,038,472.39 and 686,376.72

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Solution

The fourth proportional to 1,360,102.66, 2,038,472.39 and 686,376.72 is: 1,028,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,102.66 : 2,038,472.39 = 686,376.72 : x
  2. Step 2: Convert to fraction form
    1,360,102.66/2,038,472.39 = 686,376.72/x
  3. Step 3: Cross multiply
    1,360,102.66x = 2,038,472.39 × 686,376.72
  4. Step 4: Simplify right side
    1,360,102.66x = 1,399,159,994,574.70
  5. Step 5: Solve for x
    x = 1,399,159,994,574.70/1,360,102.66
  6. Step 6: Final answer
    x = 1,028,716.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.