Home / 1,507,178.47-2,079,929.88-818,863.96

Finding the Fourth Proportional to 1,507,178.47, 2,079,929.88 and 818,863.96

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Solution

The fourth proportional to 1,507,178.47, 2,079,929.88 and 818,863.96 is: 1,130,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,178.47 : 2,079,929.88 = 818,863.96 : x
  2. Step 2: Convert to fraction form
    1,507,178.47/2,079,929.88 = 818,863.96/x
  3. Step 3: Cross multiply
    1,507,178.47x = 2,079,929.88 × 818,863.96
  4. Step 4: Simplify right side
    1,507,178.47x = 1,703,179,618,059.12
  5. Step 5: Solve for x
    x = 1,703,179,618,059.12/1,507,178.47
  6. Step 6: Final answer
    x = 1,130,045.08

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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.