Home / 1,426,390.52-2,139,717.65-515,800.26

Finding the Fourth Proportional to 1,426,390.52, 2,139,717.65 and 515,800.26

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Solution

The fourth proportional to 1,426,390.52, 2,139,717.65 and 515,800.26 is: 773,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,390.52 : 2,139,717.65 = 515,800.26 : x
  2. Step 2: Convert to fraction form
    1,426,390.52/2,139,717.65 = 515,800.26/x
  3. Step 3: Cross multiply
    1,426,390.52x = 2,139,717.65 × 515,800.26
  4. Step 4: Simplify right side
    1,426,390.52x = 1,103,666,917,617.59
  5. Step 5: Solve for x
    x = 1,103,666,917,617.59/1,426,390.52
  6. Step 6: Final answer
    x = 773,748.08

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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.