Home / 1,228,501.68-1,843,014.84-429,809.28

Finding the Fourth Proportional to 1,228,501.68, 1,843,014.84 and 429,809.28

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Solution

The fourth proportional to 1,228,501.68, 1,843,014.84 and 429,809.28 is: 644,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,501.68 : 1,843,014.84 = 429,809.28 : x
  2. Step 2: Convert to fraction form
    1,228,501.68/1,843,014.84 = 429,809.28/x
  3. Step 3: Cross multiply
    1,228,501.68x = 1,843,014.84 × 429,809.28
  4. Step 4: Simplify right side
    1,228,501.68x = 792,144,881,409.72
  5. Step 5: Solve for x
    x = 792,144,881,409.72/1,228,501.68
  6. Step 6: Final answer
    x = 644,805.70

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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.