Home / 993,187.05-1,370,592.95-540,481.29

Finding the Fourth Proportional to 993,187.05, 1,370,592.95 and 540,481.29

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Solution

The fourth proportional to 993,187.05, 1,370,592.95 and 540,481.29 is: 745,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,187.05 : 1,370,592.95 = 540,481.29 : x
  2. Step 2: Convert to fraction form
    993,187.05/1,370,592.95 = 540,481.29/x
  3. Step 3: Cross multiply
    993,187.05x = 1,370,592.95 × 540,481.29
  4. Step 4: Simplify right side
    993,187.05x = 740,779,842,978.50
  5. Step 5: Solve for x
    x = 740,779,842,978.50/993,187.05
  6. Step 6: Final answer
    x = 745,861.36

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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.