Home / 1,018,963.08-1,406,057.40-589,178.16

Finding the Fourth Proportional to 1,018,963.08, 1,406,057.40 and 589,178.16

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Solution

The fourth proportional to 1,018,963.08, 1,406,057.40 and 589,178.16 is: 813,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,963.08 : 1,406,057.40 = 589,178.16 : x
  2. Step 2: Convert to fraction form
    1,018,963.08/1,406,057.40 = 589,178.16/x
  3. Step 3: Cross multiply
    1,018,963.08x = 1,406,057.40 × 589,178.16
  4. Step 4: Simplify right side
    1,018,963.08x = 828,418,311,786.38
  5. Step 5: Solve for x
    x = 828,418,311,786.38/1,018,963.08
  6. Step 6: Final answer
    x = 813,001.30

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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.