Home / 1,709,892-2,360,592.72-1,280,017.44

Finding the Fourth Proportional to 1,709,892, 2,360,592.72 and 1,280,017.44

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Solution

The fourth proportional to 1,709,892, 2,360,592.72 and 1,280,017.44 is: 1,767,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,892 : 2,360,592.72 = 1,280,017.44 : x
  2. Step 2: Convert to fraction form
    1,709,892/2,360,592.72 = 1,280,017.44/x
  3. Step 3: Cross multiply
    1,709,892x = 2,360,592.72 × 1,280,017.44
  4. Step 4: Simplify right side
    1,709,892x = 3,021,599,850,337.04
  5. Step 5: Solve for x
    x = 3,021,599,850,337.04/1,709,892
  6. Step 6: Final answer
    x = 1,767,129.06

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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.