Home / 1,168,354.86-1,612,329.03-631,810.86

Finding the Fourth Proportional to 1,168,354.86, 1,612,329.03 and 631,810.86

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Solution

The fourth proportional to 1,168,354.86, 1,612,329.03 and 631,810.86 is: 871,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,354.86 : 1,612,329.03 = 631,810.86 : x
  2. Step 2: Convert to fraction form
    1,168,354.86/1,612,329.03 = 631,810.86/x
  3. Step 3: Cross multiply
    1,168,354.86x = 1,612,329.03 × 631,810.86
  4. Step 4: Simplify right side
    1,168,354.86x = 1,018,686,991,047.27
  5. Step 5: Solve for x
    x = 1,018,686,991,047.27/1,168,354.86
  6. Step 6: Final answer
    x = 871,898.62

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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.