Home / 1,507,179.47-2,079,931.26-818,864.96

Finding the Fourth Proportional to 1,507,179.47, 2,079,931.26 and 818,864.96

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Solution

The fourth proportional to 1,507,179.47, 2,079,931.26 and 818,864.96 is: 1,130,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,179.47 : 2,079,931.26 = 818,864.96 : x
  2. Step 2: Convert to fraction form
    1,507,179.47/2,079,931.26 = 818,864.96/x
  3. Step 3: Cross multiply
    1,507,179.47x = 2,079,931.26 × 818,864.96
  4. Step 4: Simplify right side
    1,507,179.47x = 1,703,182,828,022.65
  5. Step 5: Solve for x
    x = 1,703,182,828,022.65/1,507,179.47
  6. Step 6: Final answer
    x = 1,130,046.46

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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.