Home / 1,453,780.80-2,180,670.68-388,795.18

Finding the Fourth Proportional to 1,453,780.80, 2,180,670.68 and 388,795.18

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Solution

The fourth proportional to 1,453,780.80, 2,180,670.68 and 388,795.18 is: 583,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,780.80 : 2,180,670.68 = 388,795.18 : x
  2. Step 2: Convert to fraction form
    1,453,780.80/2,180,670.68 = 388,795.18/x
  3. Step 3: Cross multiply
    1,453,780.80x = 2,180,670.68 × 388,795.18
  4. Step 4: Simplify right side
    1,453,780.80x = 847,834,249,551.32
  5. Step 5: Solve for x
    x = 847,834,249,551.32/1,453,780.80
  6. Step 6: Final answer
    x = 583,192.63

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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.