Home / 1,453,646.61-2,180,298.19-388,771.20

Finding the Fourth Proportional to 1,453,646.61, 2,180,298.19 and 388,771.20

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Solution

The fourth proportional to 1,453,646.61, 2,180,298.19 and 388,771.20 is: 583,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,646.61 : 2,180,298.19 = 388,771.20 : x
  2. Step 2: Convert to fraction form
    1,453,646.61/2,180,298.19 = 388,771.20/x
  3. Step 3: Cross multiply
    1,453,646.61x = 2,180,298.19 × 388,771.20
  4. Step 4: Simplify right side
    1,453,646.61x = 847,637,143,684.13
  5. Step 5: Solve for x
    x = 847,637,143,684.13/1,453,646.61
  6. Step 6: Final answer
    x = 583,110.87

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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.