Home / 1,279,225.68-1,916,738.96-437,318.16

Finding the Fourth Proportional to 1,279,225.68, 1,916,738.96 and 437,318.16

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Solution

The fourth proportional to 1,279,225.68, 1,916,738.96 and 437,318.16 is: 655,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,225.68 : 1,916,738.96 = 437,318.16 : x
  2. Step 2: Convert to fraction form
    1,279,225.68/1,916,738.96 = 437,318.16/x
  3. Step 3: Cross multiply
    1,279,225.68x = 1,916,738.96 × 437,318.16
  4. Step 4: Simplify right side
    1,279,225.68x = 838,224,755,187.51
  5. Step 5: Solve for x
    x = 838,224,755,187.51/1,279,225.68
  6. Step 6: Final answer
    x = 655,259.48

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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.