Home / 1,349,105.88-1,861,693.02-745,455

Finding the Fourth Proportional to 1,349,105.88, 1,861,693.02 and 745,455

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Solution

The fourth proportional to 1,349,105.88, 1,861,693.02 and 745,455 is: 1,028,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,105.88 : 1,861,693.02 = 745,455 : x
  2. Step 2: Convert to fraction form
    1,349,105.88/1,861,693.02 = 745,455/x
  3. Step 3: Cross multiply
    1,349,105.88x = 1,861,693.02 × 745,455
  4. Step 4: Simplify right side
    1,349,105.88x = 1,387,808,370,224.10
  5. Step 5: Solve for x
    x = 1,387,808,370,224.10/1,349,105.88
  6. Step 6: Final answer
    x = 1,028,687.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.