Home / 1,292,057.41-1,937,938.49-345,501.94

Finding the Fourth Proportional to 1,292,057.41, 1,937,938.49 and 345,501.94

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Solution

The fourth proportional to 1,292,057.41, 1,937,938.49 and 345,501.94 is: 518,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,057.41 : 1,937,938.49 = 345,501.94 : x
  2. Step 2: Convert to fraction form
    1,292,057.41/1,937,938.49 = 345,501.94/x
  3. Step 3: Cross multiply
    1,292,057.41x = 1,937,938.49 × 345,501.94
  4. Step 4: Simplify right side
    1,292,057.41x = 669,561,496,478.47
  5. Step 5: Solve for x
    x = 669,561,496,478.47/1,292,057.41
  6. Step 6: Final answer
    x = 518,213.43

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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.