Home / 1,345,675.66-2,018,903.10-399,069.16

Finding the Fourth Proportional to 1,345,675.66, 2,018,903.10 and 399,069.16

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Solution

The fourth proportional to 1,345,675.66, 2,018,903.10 and 399,069.16 is: 598,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,675.66 : 2,018,903.10 = 399,069.16 : x
  2. Step 2: Convert to fraction form
    1,345,675.66/2,018,903.10 = 399,069.16/x
  3. Step 3: Cross multiply
    1,345,675.66x = 2,018,903.10 × 399,069.16
  4. Step 4: Simplify right side
    1,345,675.66x = 805,681,964,238.40
  5. Step 5: Solve for x
    x = 805,681,964,238.40/1,345,675.66
  6. Step 6: Final answer
    x = 598,719.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.