Home / 1,309,557.37-1,960,686.35-668,482.06

Finding the Fourth Proportional to 1,309,557.37, 1,960,686.35 and 668,482.06

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Solution

The fourth proportional to 1,309,557.37, 1,960,686.35 and 668,482.06 is: 1,000,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,557.37 : 1,960,686.35 = 668,482.06 : x
  2. Step 2: Convert to fraction form
    1,309,557.37/1,960,686.35 = 668,482.06/x
  3. Step 3: Cross multiply
    1,309,557.37x = 1,960,686.35 × 668,482.06
  4. Step 4: Simplify right side
    1,309,557.37x = 1,310,683,646,919.47
  5. Step 5: Solve for x
    x = 1,310,683,646,919.47/1,309,557.37
  6. Step 6: Final answer
    x = 1,000,860.04

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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.