Home / 864,004.10-1,296,006.15-808,708.10

Finding the Fourth Proportional to 864,004.10, 1,296,006.15 and 808,708.10

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Solution

The fourth proportional to 864,004.10, 1,296,006.15 and 808,708.10 is: 1,213,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,004.10 : 1,296,006.15 = 808,708.10 : x
  2. Step 2: Convert to fraction form
    864,004.10/1,296,006.15 = 808,708.10/x
  3. Step 3: Cross multiply
    864,004.10x = 1,296,006.15 × 808,708.10
  4. Step 4: Simplify right side
    864,004.10x = 1,048,090,671,154.82
  5. Step 5: Solve for x
    x = 1,048,090,671,154.82/864,004.10
  6. Step 6: Final answer
    x = 1,213,062.15

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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.