Home / 1,539,858-2,309,748.12-417,897.84

Finding the Fourth Proportional to 1,539,858, 2,309,748.12 and 417,897.84

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Solution

The fourth proportional to 1,539,858, 2,309,748.12 and 417,897.84 is: 626,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,858 : 2,309,748.12 = 417,897.84 : x
  2. Step 2: Convert to fraction form
    1,539,858/2,309,748.12 = 417,897.84/x
  3. Step 3: Cross multiply
    1,539,858x = 2,309,748.12 × 417,897.84
  4. Step 4: Simplify right side
    1,539,858x = 965,238,750,292.06
  5. Step 5: Solve for x
    x = 965,238,750,292.06/1,539,858
  6. Step 6: Final answer
    x = 626,836.21

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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.