Home / 1,402,370.76-1,934,950.32-885,503.36

Finding the Fourth Proportional to 1,402,370.76, 1,934,950.32 and 885,503.36

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Solution

The fourth proportional to 1,402,370.76, 1,934,950.32 and 885,503.36 is: 1,221,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,370.76 : 1,934,950.32 = 885,503.36 : x
  2. Step 2: Convert to fraction form
    1,402,370.76/1,934,950.32 = 885,503.36/x
  3. Step 3: Cross multiply
    1,402,370.76x = 1,934,950.32 × 885,503.36
  4. Step 4: Simplify right side
    1,402,370.76x = 1,713,405,009,793.08
  5. Step 5: Solve for x
    x = 1,713,405,009,793.08/1,402,370.76
  6. Step 6: Final answer
    x = 1,221,791.74

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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.