Home / 1,001,019.75-1,501,785.56-291,047.78

Finding the Fourth Proportional to 1,001,019.75, 1,501,785.56 and 291,047.78

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Solution

The fourth proportional to 1,001,019.75, 1,501,785.56 and 291,047.78 is: 436,646.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,019.75 : 1,501,785.56 = 291,047.78 : x
  2. Step 2: Convert to fraction form
    1,001,019.75/1,501,785.56 = 291,047.78/x
  3. Step 3: Cross multiply
    1,001,019.75x = 1,501,785.56 × 291,047.78
  4. Step 4: Simplify right side
    1,001,019.75x = 437,091,353,274.06
  5. Step 5: Solve for x
    x = 437,091,353,274.06/1,001,019.75
  6. Step 6: Final answer
    x = 436,646.08

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Double scale
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1.5x scale

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.