Home / 1,345,700.08-2,018,939.72-399,093.58

Finding the Fourth Proportional to 1,345,700.08, 2,018,939.72 and 399,093.58

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Solution

The fourth proportional to 1,345,700.08, 2,018,939.72 and 399,093.58 is: 598,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,700.08 : 2,018,939.72 = 399,093.58 : x
  2. Step 2: Convert to fraction form
    1,345,700.08/2,018,939.72 = 399,093.58/x
  3. Step 3: Cross multiply
    1,345,700.08x = 2,018,939.72 × 399,093.58
  4. Step 4: Simplify right side
    1,345,700.08x = 805,745,878,663.53
  5. Step 5: Solve for x
    x = 805,745,878,663.53/1,345,700.08
  6. Step 6: Final answer
    x = 598,755.91

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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.