Home / 1,148,645.04-1,585,130.04-639,336.48

Finding the Fourth Proportional to 1,148,645.04, 1,585,130.04 and 639,336.48

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Solution

The fourth proportional to 1,148,645.04, 1,585,130.04 and 639,336.48 is: 882,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,645.04 : 1,585,130.04 = 639,336.48 : x
  2. Step 2: Convert to fraction form
    1,148,645.04/1,585,130.04 = 639,336.48/x
  3. Step 3: Cross multiply
    1,148,645.04x = 1,585,130.04 × 639,336.48
  4. Step 4: Simplify right side
    1,148,645.04x = 1,013,431,460,115.86
  5. Step 5: Solve for x
    x = 1,013,431,460,115.86/1,148,645.04
  6. Step 6: Final answer
    x = 882,284.28

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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.