Home / 1,507,118.65-2,079,703.07-862,391.05

Finding the Fourth Proportional to 1,507,118.65, 2,079,703.07 and 862,391.05

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Solution

The fourth proportional to 1,507,118.65, 2,079,703.07 and 862,391.05 is: 1,190,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,118.65 : 2,079,703.07 = 862,391.05 : x
  2. Step 2: Convert to fraction form
    1,507,118.65/2,079,703.07 = 862,391.05/x
  3. Step 3: Cross multiply
    1,507,118.65x = 2,079,703.07 × 862,391.05
  4. Step 4: Simplify right side
    1,507,118.65x = 1,793,517,314,225.52
  5. Step 5: Solve for x
    x = 1,793,517,314,225.52/1,507,118.65
  6. Step 6: Final answer
    x = 1,190,030.60

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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.