Home / 1,410,672.96-2,115,726.53-690,704.46

Finding the Fourth Proportional to 1,410,672.96, 2,115,726.53 and 690,704.46

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Solution

The fourth proportional to 1,410,672.96, 2,115,726.53 and 690,704.46 is: 1,035,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,672.96 : 2,115,726.53 = 690,704.46 : x
  2. Step 2: Convert to fraction form
    1,410,672.96/2,115,726.53 = 690,704.46/x
  3. Step 3: Cross multiply
    1,410,672.96x = 2,115,726.53 × 690,704.46
  4. Step 4: Simplify right side
    1,410,672.96x = 1,461,341,750,411.32
  5. Step 5: Solve for x
    x = 1,461,341,750,411.32/1,410,672.96
  6. Step 6: Final answer
    x = 1,035,918.17

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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.