Home / 1,679,317.32-2,315,626.47-1,134,507.12

Finding the Fourth Proportional to 1,679,317.32, 2,315,626.47 and 1,134,507.12

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Solution

The fourth proportional to 1,679,317.32, 2,315,626.47 and 1,134,507.12 is: 1,564,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,317.32 : 2,315,626.47 = 1,134,507.12 : x
  2. Step 2: Convert to fraction form
    1,679,317.32/2,315,626.47 = 1,134,507.12/x
  3. Step 3: Cross multiply
    1,679,317.32x = 2,315,626.47 × 1,134,507.12
  4. Step 4: Simplify right side
    1,679,317.32x = 2,627,094,717,475.47
  5. Step 5: Solve for x
    x = 2,627,094,717,475.47/1,679,317.32
  6. Step 6: Final answer
    x = 1,564,382.55

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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.