Home / 1,292,816.28-1,939,224.60-346,162.80

Finding the Fourth Proportional to 1,292,816.28, 1,939,224.60 and 346,162.80

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Solution

The fourth proportional to 1,292,816.28, 1,939,224.60 and 346,162.80 is: 519,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,816.28 : 1,939,224.60 = 346,162.80 : x
  2. Step 2: Convert to fraction form
    1,292,816.28/1,939,224.60 = 346,162.80/x
  3. Step 3: Cross multiply
    1,292,816.28x = 1,939,224.60 × 346,162.80
  4. Step 4: Simplify right side
    1,292,816.28x = 671,287,417,364.88
  5. Step 5: Solve for x
    x = 671,287,417,364.88/1,292,816.28
  6. Step 6: Final answer
    x = 519,244.25

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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.