Home / 1,217,844.72-1,680,628.95-674,018.01

Finding the Fourth Proportional to 1,217,844.72, 1,680,628.95 and 674,018.01

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Solution

The fourth proportional to 1,217,844.72, 1,680,628.95 and 674,018.01 is: 930,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,844.72 : 1,680,628.95 = 674,018.01 : x
  2. Step 2: Convert to fraction form
    1,217,844.72/1,680,628.95 = 674,018.01/x
  3. Step 3: Cross multiply
    1,217,844.72x = 1,680,628.95 × 674,018.01
  4. Step 4: Simplify right side
    1,217,844.72x = 1,132,774,180,427.39
  5. Step 5: Solve for x
    x = 1,132,774,180,427.39/1,217,844.72
  6. Step 6: Final answer
    x = 930,146.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.