Home / 1,781,784.34-2,458,830.33-1,007,401.86

Finding the Fourth Proportional to 1,781,784.34, 2,458,830.33 and 1,007,401.86

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Solution

The fourth proportional to 1,781,784.34, 2,458,830.33 and 1,007,401.86 is: 1,390,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,784.34 : 2,458,830.33 = 1,007,401.86 : x
  2. Step 2: Convert to fraction form
    1,781,784.34/2,458,830.33 = 1,007,401.86/x
  3. Step 3: Cross multiply
    1,781,784.34x = 2,458,830.33 × 1,007,401.86
  4. Step 4: Simplify right side
    1,781,784.34x = 2,477,030,247,866.41
  5. Step 5: Solve for x
    x = 2,477,030,247,866.41/1,781,784.34
  6. Step 6: Final answer
    x = 1,390,196.44

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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.