Home / 1,112,465.30-1,668,309.15-579,809.30

Finding the Fourth Proportional to 1,112,465.30, 1,668,309.15 and 579,809.30

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Solution

The fourth proportional to 1,112,465.30, 1,668,309.15 and 579,809.30 is: 869,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,465.30 : 1,668,309.15 = 579,809.30 : x
  2. Step 2: Convert to fraction form
    1,112,465.30/1,668,309.15 = 579,809.30/x
  3. Step 3: Cross multiply
    1,112,465.30x = 1,668,309.15 × 579,809.30
  4. Step 4: Simplify right side
    1,112,465.30x = 967,301,160,445.10
  5. Step 5: Solve for x
    x = 967,301,160,445.10/1,112,465.30
  6. Step 6: Final answer
    x = 869,511.31

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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.