Home / 1,348,501.77-1,860,988.91-775,542.33

Finding the Fourth Proportional to 1,348,501.77, 1,860,988.91 and 775,542.33

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Solution

The fourth proportional to 1,348,501.77, 1,860,988.91 and 775,542.33 is: 1,070,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,501.77 : 1,860,988.91 = 775,542.33 : x
  2. Step 2: Convert to fraction form
    1,348,501.77/1,860,988.91 = 775,542.33/x
  3. Step 3: Cross multiply
    1,348,501.77x = 1,860,988.91 × 775,542.33
  4. Step 4: Simplify right side
    1,348,501.77x = 1,443,275,671,487.85
  5. Step 5: Solve for x
    x = 1,443,275,671,487.85/1,348,501.77
  6. Step 6: Final answer
    x = 1,070,280.89

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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.