Home / 1,077,842.94-1,616,113.19-429,518.85

Finding the Fourth Proportional to 1,077,842.94, 1,616,113.19 and 429,518.85

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Solution

The fourth proportional to 1,077,842.94, 1,616,113.19 and 429,518.85 is: 644,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,842.94 : 1,616,113.19 = 429,518.85 : x
  2. Step 2: Convert to fraction form
    1,077,842.94/1,616,113.19 = 429,518.85/x
  3. Step 3: Cross multiply
    1,077,842.94x = 1,616,113.19 × 429,518.85
  4. Step 4: Simplify right side
    1,077,842.94x = 694,151,083,556.81
  5. Step 5: Solve for x
    x = 694,151,083,556.81/1,077,842.94
  6. Step 6: Final answer
    x = 644,018.77

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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.