Home / 1,637,439.84-2,454,973.92-690,290.64

Finding the Fourth Proportional to 1,637,439.84, 2,454,973.92 and 690,290.64

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Solution

The fourth proportional to 1,637,439.84, 2,454,973.92 and 690,290.64 is: 1,034,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,439.84 : 2,454,973.92 = 690,290.64 : x
  2. Step 2: Convert to fraction form
    1,637,439.84/2,454,973.92 = 690,290.64/x
  3. Step 3: Cross multiply
    1,637,439.84x = 2,454,973.92 × 690,290.64
  4. Step 4: Simplify right side
    1,637,439.84x = 1,694,645,518,420.11
  5. Step 5: Solve for x
    x = 1,694,645,518,420.11/1,637,439.84
  6. Step 6: Final answer
    x = 1,034,936.05

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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.