Home / 1,128,555.65-1,691,643.31-370,199.09

Finding the Fourth Proportional to 1,128,555.65, 1,691,643.31 and 370,199.09

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Solution

The fourth proportional to 1,128,555.65, 1,691,643.31 and 370,199.09 is: 554,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,555.65 : 1,691,643.31 = 370,199.09 : x
  2. Step 2: Convert to fraction form
    1,128,555.65/1,691,643.31 = 370,199.09/x
  3. Step 3: Cross multiply
    1,128,555.65x = 1,691,643.31 × 370,199.09
  4. Step 4: Simplify right side
    1,128,555.65x = 626,244,817,270.20
  5. Step 5: Solve for x
    x = 626,244,817,270.20/1,128,555.65
  6. Step 6: Final answer
    x = 554,908.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.