Home / 1,495,981.90-2,064,632.25-842,629.42

Finding the Fourth Proportional to 1,495,981.90, 2,064,632.25 and 842,629.42

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Solution

The fourth proportional to 1,495,981.90, 2,064,632.25 and 842,629.42 is: 1,162,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,981.90 : 2,064,632.25 = 842,629.42 : x
  2. Step 2: Convert to fraction form
    1,495,981.90/2,064,632.25 = 842,629.42/x
  3. Step 3: Cross multiply
    1,495,981.90x = 2,064,632.25 × 842,629.42
  4. Step 4: Simplify right side
    1,495,981.90x = 1,739,719,875,330.80
  5. Step 5: Solve for x
    x = 1,739,719,875,330.80/1,495,981.90
  6. Step 6: Final answer
    x = 1,162,928.43

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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.