Home / 1,523,869.43-2,285,928.63-765,320.76

Finding the Fourth Proportional to 1,523,869.43, 2,285,928.63 and 765,320.76

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Solution

The fourth proportional to 1,523,869.43, 2,285,928.63 and 765,320.76 is: 1,148,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,869.43 : 2,285,928.63 = 765,320.76 : x
  2. Step 2: Convert to fraction form
    1,523,869.43/2,285,928.63 = 765,320.76/x
  3. Step 3: Cross multiply
    1,523,869.43x = 2,285,928.63 × 765,320.76
  4. Step 4: Simplify right side
    1,523,869.43x = 1,749,468,636,417.36
  5. Step 5: Solve for x
    x = 1,749,468,636,417.36/1,523,869.43
  6. Step 6: Final answer
    x = 1,148,043.66

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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.