Home / 1,285,526.53-1,926,930.23-475,390.38

Finding the Fourth Proportional to 1,285,526.53, 1,926,930.23 and 475,390.38

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Solution

The fourth proportional to 1,285,526.53, 1,926,930.23 and 475,390.38 is: 712,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,526.53 : 1,926,930.23 = 475,390.38 : x
  2. Step 2: Convert to fraction form
    1,285,526.53/1,926,930.23 = 475,390.38/x
  3. Step 3: Cross multiply
    1,285,526.53x = 1,926,930.23 × 475,390.38
  4. Step 4: Simplify right side
    1,285,526.53x = 916,044,094,273.19
  5. Step 5: Solve for x
    x = 916,044,094,273.19/1,285,526.53
  6. Step 6: Final answer
    x = 712,582.80

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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.