Home / 1,587,382.84-2,189,748.54-1,005,579.46

Finding the Fourth Proportional to 1,587,382.84, 2,189,748.54 and 1,005,579.46

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Solution

The fourth proportional to 1,587,382.84, 2,189,748.54 and 1,005,579.46 is: 1,387,167.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,382.84 : 2,189,748.54 = 1,005,579.46 : x
  2. Step 2: Convert to fraction form
    1,587,382.84/2,189,748.54 = 1,005,579.46/x
  3. Step 3: Cross multiply
    1,587,382.84x = 2,189,748.54 × 1,005,579.46
  4. Step 4: Simplify right side
    1,587,382.84x = 2,201,966,154,388.99
  5. Step 5: Solve for x
    x = 2,201,966,154,388.99/1,587,382.84
  6. Step 6: Final answer
    x = 1,387,167.67

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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.