Home / 909,545.42-1,365,264.40-669,929.88

Finding the Fourth Proportional to 909,545.42, 1,365,264.40 and 669,929.88

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Solution

The fourth proportional to 909,545.42, 1,365,264.40 and 669,929.88 is: 1,005,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,545.42 : 1,365,264.40 = 669,929.88 : x
  2. Step 2: Convert to fraction form
    909,545.42/1,365,264.40 = 669,929.88/x
  3. Step 3: Cross multiply
    909,545.42x = 1,365,264.40 × 669,929.88
  4. Step 4: Simplify right side
    909,545.42x = 914,631,415,660.27
  5. Step 5: Solve for x
    x = 914,631,415,660.27/909,545.42
  6. Step 6: Final answer
    x = 1,005,591.80

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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.