Home / 1,376,740.04-2,065,639.62-666,713.48

Finding the Fourth Proportional to 1,376,740.04, 2,065,639.62 and 666,713.48

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Solution

The fourth proportional to 1,376,740.04, 2,065,639.62 and 666,713.48 is: 1,000,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,740.04 : 2,065,639.62 = 666,713.48 : x
  2. Step 2: Convert to fraction form
    1,376,740.04/2,065,639.62 = 666,713.48/x
  3. Step 3: Cross multiply
    1,376,740.04x = 2,065,639.62 × 666,713.48
  4. Step 4: Simplify right side
    1,376,740.04x = 1,377,189,779,476.08
  5. Step 5: Solve for x
    x = 1,377,189,779,476.08/1,376,740.04
  6. Step 6: Final answer
    x = 1,000,326.67

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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.