Home / 1,379,468.48-1,903,666.08-775,856

Finding the Fourth Proportional to 1,379,468.48, 1,903,666.08 and 775,856

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Solution

The fourth proportional to 1,379,468.48, 1,903,666.08 and 775,856 is: 1,070,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,468.48 : 1,903,666.08 = 775,856 : x
  2. Step 2: Convert to fraction form
    1,379,468.48/1,903,666.08 = 775,856/x
  3. Step 3: Cross multiply
    1,379,468.48x = 1,903,666.08 × 775,856
  4. Step 4: Simplify right side
    1,379,468.48x = 1,476,970,750,164.48
  5. Step 5: Solve for x
    x = 1,476,970,750,164.48/1,379,468.48
  6. Step 6: Final answer
    x = 1,070,681.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.