Home / 1,319,390.10-1,820,953.71-836,000.22

Finding the Fourth Proportional to 1,319,390.10, 1,820,953.71 and 836,000.22

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Solution

The fourth proportional to 1,319,390.10, 1,820,953.71 and 836,000.22 is: 1,153,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,390.10 : 1,820,953.71 = 836,000.22 : x
  2. Step 2: Convert to fraction form
    1,319,390.10/1,820,953.71 = 836,000.22/x
  3. Step 3: Cross multiply
    1,319,390.10x = 1,820,953.71 × 836,000.22
  4. Step 4: Simplify right side
    1,319,390.10x = 1,522,317,708,998.39
  5. Step 5: Solve for x
    x = 1,522,317,708,998.39/1,319,390.10
  6. Step 6: Final answer
    x = 1,153,804.10

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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.