Home / 1,174,675.20-1,621,152.48-665,468.16

Finding the Fourth Proportional to 1,174,675.20, 1,621,152.48 and 665,468.16

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Solution

The fourth proportional to 1,174,675.20, 1,621,152.48 and 665,468.16 is: 918,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,675.20 : 1,621,152.48 = 665,468.16 : x
  2. Step 2: Convert to fraction form
    1,174,675.20/1,621,152.48 = 665,468.16/x
  3. Step 3: Cross multiply
    1,174,675.20x = 1,621,152.48 × 665,468.16
  4. Step 4: Simplify right side
    1,174,675.20x = 1,078,825,357,945.04
  5. Step 5: Solve for x
    x = 1,078,825,357,945.04/1,174,675.20
  6. Step 6: Final answer
    x = 918,403.11

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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.