Home / 1,028,030.86-1,419,326.58-660,656.98

Finding the Fourth Proportional to 1,028,030.86, 1,419,326.58 and 660,656.98

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Solution

The fourth proportional to 1,028,030.86, 1,419,326.58 and 660,656.98 is: 912,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,030.86 : 1,419,326.58 = 660,656.98 : x
  2. Step 2: Convert to fraction form
    1,028,030.86/1,419,326.58 = 660,656.98/x
  3. Step 3: Cross multiply
    1,028,030.86x = 1,419,326.58 × 660,656.98
  4. Step 4: Simplify right side
    1,028,030.86x = 937,688,011,976.53
  5. Step 5: Solve for x
    x = 937,688,011,976.53/1,028,030.86
  6. Step 6: Final answer
    x = 912,120.49

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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.