Home / 1,507,187.29-2,079,917.98-828,167.53

Finding the Fourth Proportional to 1,507,187.29, 2,079,917.98 and 828,167.53

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Solution

The fourth proportional to 1,507,187.29, 2,079,917.98 and 828,167.53 is: 1,142,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,187.29 : 2,079,917.98 = 828,167.53 : x
  2. Step 2: Convert to fraction form
    1,507,187.29/2,079,917.98 = 828,167.53/x
  3. Step 3: Cross multiply
    1,507,187.29x = 2,079,917.98 × 828,167.53
  4. Step 4: Simplify right side
    1,507,187.29x = 1,722,520,536,099.19
  5. Step 5: Solve for x
    x = 1,722,520,536,099.19/1,507,187.29
  6. Step 6: Final answer
    x = 1,142,870.93

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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.