Home / 1,071,314.25-1,607,422.01-666,844.67

Finding the Fourth Proportional to 1,071,314.25, 1,607,422.01 and 666,844.67

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Solution

The fourth proportional to 1,071,314.25, 1,607,422.01 and 666,844.67 is: 1,000,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,314.25 : 1,607,422.01 = 666,844.67 : x
  2. Step 2: Convert to fraction form
    1,071,314.25/1,607,422.01 = 666,844.67/x
  3. Step 3: Cross multiply
    1,071,314.25x = 1,607,422.01 × 666,844.67
  4. Step 4: Simplify right side
    1,071,314.25x = 1,071,900,788,437.85
  5. Step 5: Solve for x
    x = 1,071,900,788,437.85/1,071,314.25
  6. Step 6: Final answer
    x = 1,000,547.49

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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.