Home / 916,822.34-1,376,138.62-688,323.22

Finding the Fourth Proportional to 916,822.34, 1,376,138.62 and 688,323.22

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Solution

The fourth proportional to 916,822.34, 1,376,138.62 and 688,323.22 is: 1,033,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,822.34 : 1,376,138.62 = 688,323.22 : x
  2. Step 2: Convert to fraction form
    916,822.34/1,376,138.62 = 688,323.22/x
  3. Step 3: Cross multiply
    916,822.34x = 1,376,138.62 × 688,323.22
  4. Step 4: Simplify right side
    916,822.34x = 947,228,166,084.76
  5. Step 5: Solve for x
    x = 947,228,166,084.76/916,822.34
  6. Step 6: Final answer
    x = 1,033,164.36

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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.