Home / 1,178,315.64-1,626,077.57-669,018.02

Finding the Fourth Proportional to 1,178,315.64, 1,626,077.57 and 669,018.02

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Solution

The fourth proportional to 1,178,315.64, 1,626,077.57 and 669,018.02 is: 923,245.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,315.64 : 1,626,077.57 = 669,018.02 : x
  2. Step 2: Convert to fraction form
    1,178,315.64/1,626,077.57 = 669,018.02/x
  3. Step 3: Cross multiply
    1,178,315.64x = 1,626,077.57 × 669,018.02
  4. Step 4: Simplify right side
    1,178,315.64x = 1,087,875,184,772.33
  5. Step 5: Solve for x
    x = 1,087,875,184,772.33/1,178,315.64
  6. Step 6: Final answer
    x = 923,245.99

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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.