Home / 1,676,139-2,313,027.46-912,176.20

Finding the Fourth Proportional to 1,676,139, 2,313,027.46 and 912,176.20

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Solution

The fourth proportional to 1,676,139, 2,313,027.46 and 912,176.20 is: 1,258,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,139 : 2,313,027.46 = 912,176.20 : x
  2. Step 2: Convert to fraction form
    1,676,139/2,313,027.46 = 912,176.20/x
  3. Step 3: Cross multiply
    1,676,139x = 2,313,027.46 × 912,176.20
  4. Step 4: Simplify right side
    1,676,139x = 2,109,888,598,958.45
  5. Step 5: Solve for x
    x = 2,109,888,598,958.45/1,676,139
  6. Step 6: Final answer
    x = 1,258,779.01

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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.