Home / 1,822,688.80-2,515,386.96-1,048,319.86

Finding the Fourth Proportional to 1,822,688.80, 2,515,386.96 and 1,048,319.86

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Solution

The fourth proportional to 1,822,688.80, 2,515,386.96 and 1,048,319.86 is: 1,446,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,688.80 : 2,515,386.96 = 1,048,319.86 : x
  2. Step 2: Convert to fraction form
    1,822,688.80/2,515,386.96 = 1,048,319.86/x
  3. Step 3: Cross multiply
    1,822,688.80x = 2,515,386.96 × 1,048,319.86
  4. Step 4: Simplify right side
    1,822,688.80x = 2,636,930,105,753.03
  5. Step 5: Solve for x
    x = 2,636,930,105,753.03/1,822,688.80
  6. Step 6: Final answer
    x = 1,446,725.36

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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.