Home / 1,103,884.65-1,656,011.36-345,575.21

Finding the Fourth Proportional to 1,103,884.65, 1,656,011.36 and 345,575.21

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Solution

The fourth proportional to 1,103,884.65, 1,656,011.36 and 345,575.21 is: 518,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,884.65 : 1,656,011.36 = 345,575.21 : x
  2. Step 2: Convert to fraction form
    1,103,884.65/1,656,011.36 = 345,575.21/x
  3. Step 3: Cross multiply
    1,103,884.65x = 1,656,011.36 × 345,575.21
  4. Step 4: Simplify right side
    1,103,884.65x = 572,276,463,486.45
  5. Step 5: Solve for x
    x = 572,276,463,486.45/1,103,884.65
  6. Step 6: Final answer
    x = 518,420.53

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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.