Home / 1,210,330.23-1,814,412.78-499,905.15

Finding the Fourth Proportional to 1,210,330.23, 1,814,412.78 and 499,905.15

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Solution

The fourth proportional to 1,210,330.23, 1,814,412.78 and 499,905.15 is: 749,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,330.23 : 1,814,412.78 = 499,905.15 : x
  2. Step 2: Convert to fraction form
    1,210,330.23/1,814,412.78 = 499,905.15/x
  3. Step 3: Cross multiply
    1,210,330.23x = 1,814,412.78 × 499,905.15
  4. Step 4: Simplify right side
    1,210,330.23x = 907,034,292,947.82
  5. Step 5: Solve for x
    x = 907,034,292,947.82/1,210,330.23
  6. Step 6: Final answer
    x = 749,410.59

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Double scale
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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.