Home / 1,238,734.76-1,708,467.80-1,023,501.15

Finding the Fourth Proportional to 1,238,734.76, 1,708,467.80 and 1,023,501.15

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Solution

The fourth proportional to 1,238,734.76, 1,708,467.80 and 1,023,501.15 is: 1,411,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,734.76 : 1,708,467.80 = 1,023,501.15 : x
  2. Step 2: Convert to fraction form
    1,238,734.76/1,708,467.80 = 1,023,501.15/x
  3. Step 3: Cross multiply
    1,238,734.76x = 1,708,467.80 × 1,023,501.15
  4. Step 4: Simplify right side
    1,238,734.76x = 1,748,618,752,920.46
  5. Step 5: Solve for x
    x = 1,748,618,752,920.46/1,238,734.76
  6. Step 6: Final answer
    x = 1,411,616.77

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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.