Home / 1,547,830.22-2,135,888.60-868,635.50

Finding the Fourth Proportional to 1,547,830.22, 2,135,888.60 and 868,635.50

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Solution

The fourth proportional to 1,547,830.22, 2,135,888.60 and 868,635.50 is: 1,198,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,830.22 : 2,135,888.60 = 868,635.50 : x
  2. Step 2: Convert to fraction form
    1,547,830.22/2,135,888.60 = 868,635.50/x
  3. Step 3: Cross multiply
    1,547,830.22x = 2,135,888.60 × 868,635.50
  4. Step 4: Simplify right side
    1,547,830.22x = 1,855,308,662,005.30
  5. Step 5: Solve for x
    x = 1,855,308,662,005.30/1,547,830.22
  6. Step 6: Final answer
    x = 1,198,651.27

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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.