Home / 1,345,638.03-2,018,846.67-399,031.53

Finding the Fourth Proportional to 1,345,638.03, 2,018,846.67 and 399,031.53

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Solution

The fourth proportional to 1,345,638.03, 2,018,846.67 and 399,031.53 is: 598,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,638.03 : 2,018,846.67 = 399,031.53 : x
  2. Step 2: Convert to fraction form
    1,345,638.03/2,018,846.67 = 399,031.53/x
  3. Step 3: Cross multiply
    1,345,638.03x = 2,018,846.67 × 399,031.53
  4. Step 4: Simplify right side
    1,345,638.03x = 805,583,475,565.51
  5. Step 5: Solve for x
    x = 805,583,475,565.51/1,345,638.03
  6. Step 6: Final answer
    x = 598,662.83

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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.