Home / 1,488,720.36-2,054,436.30-809,655.24

Finding the Fourth Proportional to 1,488,720.36, 2,054,436.30 and 809,655.24

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Solution

The fourth proportional to 1,488,720.36, 2,054,436.30 and 809,655.24 is: 1,117,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,720.36 : 2,054,436.30 = 809,655.24 : x
  2. Step 2: Convert to fraction form
    1,488,720.36/2,054,436.30 = 809,655.24/x
  3. Step 3: Cross multiply
    1,488,720.36x = 2,054,436.30 × 809,655.24
  4. Step 4: Simplify right side
    1,488,720.36x = 1,663,385,115,541.21
  5. Step 5: Solve for x
    x = 1,663,385,115,541.21/1,488,720.36
  6. Step 6: Final answer
    x = 1,117,325.43

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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.