Home / 1,645,149.65-2,270,263.89-910,131.08

Finding the Fourth Proportional to 1,645,149.65, 2,270,263.89 and 910,131.08

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Solution

The fourth proportional to 1,645,149.65, 2,270,263.89 and 910,131.08 is: 1,255,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,149.65 : 2,270,263.89 = 910,131.08 : x
  2. Step 2: Convert to fraction form
    1,645,149.65/2,270,263.89 = 910,131.08/x
  3. Step 3: Cross multiply
    1,645,149.65x = 2,270,263.89 × 910,131.08
  4. Step 4: Simplify right side
    1,645,149.65x = 2,066,237,710,188.73
  5. Step 5: Solve for x
    x = 2,066,237,710,188.73/1,645,149.65
  6. Step 6: Final answer
    x = 1,255,957.30

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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.