Home / 807,736.82-1,207,141.60-761,068.67

Finding the Fourth Proportional to 807,736.82, 1,207,141.60 and 761,068.67

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Solution

The fourth proportional to 807,736.82, 1,207,141.60 and 761,068.67 is: 1,137,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,736.82 : 1,207,141.60 = 761,068.67 : x
  2. Step 2: Convert to fraction form
    807,736.82/1,207,141.60 = 761,068.67/x
  3. Step 3: Cross multiply
    807,736.82x = 1,207,141.60 × 761,068.67
  4. Step 4: Simplify right side
    807,736.82x = 918,717,652,013.67
  5. Step 5: Solve for x
    x = 918,717,652,013.67/807,736.82
  6. Step 6: Final answer
    x = 1,137,397.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.