Home / 1,259,875.65-1,886,870.62-1,158,144.13

Finding the Fourth Proportional to 1,259,875.65, 1,886,870.62 and 1,158,144.13

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Solution

The fourth proportional to 1,259,875.65, 1,886,870.62 and 1,158,144.13 is: 1,734,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,875.65 : 1,886,870.62 = 1,158,144.13 : x
  2. Step 2: Convert to fraction form
    1,259,875.65/1,886,870.62 = 1,158,144.13/x
  3. Step 3: Cross multiply
    1,259,875.65x = 1,886,870.62 × 1,158,144.13
  4. Step 4: Simplify right side
    1,259,875.65x = 2,185,268,132,622.46
  5. Step 5: Solve for x
    x = 2,185,268,132,622.46/1,259,875.65
  6. Step 6: Final answer
    x = 1,734,510.97

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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.