Home / 1,094,566.40-1,638,350.40-779,638.40

Finding the Fourth Proportional to 1,094,566.40, 1,638,350.40 and 779,638.40

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Solution

The fourth proportional to 1,094,566.40, 1,638,350.40 and 779,638.40 is: 1,166,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,566.40 : 1,638,350.40 = 779,638.40 : x
  2. Step 2: Convert to fraction form
    1,094,566.40/1,638,350.40 = 779,638.40/x
  3. Step 3: Cross multiply
    1,094,566.40x = 1,638,350.40 × 779,638.40
  4. Step 4: Simplify right side
    1,094,566.40x = 1,277,320,884,495.36
  5. Step 5: Solve for x
    x = 1,277,320,884,495.36/1,094,566.40
  6. Step 6: Final answer
    x = 1,166,965.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.