Home / 1,215,121.10-1,822,681.65-506,533.10

Finding the Fourth Proportional to 1,215,121.10, 1,822,681.65 and 506,533.10

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Solution

The fourth proportional to 1,215,121.10, 1,822,681.65 and 506,533.10 is: 759,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,121.10 : 1,822,681.65 = 506,533.10 : x
  2. Step 2: Convert to fraction form
    1,215,121.10/1,822,681.65 = 506,533.10/x
  3. Step 3: Cross multiply
    1,215,121.10x = 1,822,681.65 × 506,533.10
  4. Step 4: Simplify right side
    1,215,121.10x = 923,248,586,487.62
  5. Step 5: Solve for x
    x = 923,248,586,487.62/1,215,121.10
  6. Step 6: Final answer
    x = 759,799.65

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Double scale
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Similar ratio
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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.