Home / 1,178,639.46-1,626,533.73-669,345.48

Finding the Fourth Proportional to 1,178,639.46, 1,626,533.73 and 669,345.48

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Solution

The fourth proportional to 1,178,639.46, 1,626,533.73 and 669,345.48 is: 923,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,639.46 : 1,626,533.73 = 669,345.48 : x
  2. Step 2: Convert to fraction form
    1,178,639.46/1,626,533.73 = 669,345.48/x
  3. Step 3: Cross multiply
    1,178,639.46x = 1,626,533.73 × 669,345.48
  4. Step 4: Simplify right side
    1,178,639.46x = 1,088,713,000,243.04
  5. Step 5: Solve for x
    x = 1,088,713,000,243.04/1,178,639.46
  6. Step 6: Final answer
    x = 923,703.17

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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.