Home / 1,043,628.84-1,565,420.58-285,470.19

Finding the Fourth Proportional to 1,043,628.84, 1,565,420.58 and 285,470.19

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Solution

The fourth proportional to 1,043,628.84, 1,565,420.58 and 285,470.19 is: 428,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,628.84 : 1,565,420.58 = 285,470.19 : x
  2. Step 2: Convert to fraction form
    1,043,628.84/1,565,420.58 = 285,470.19/x
  3. Step 3: Cross multiply
    1,043,628.84x = 1,565,420.58 × 285,470.19
  4. Step 4: Simplify right side
    1,043,628.84x = 446,880,910,402.51
  5. Step 5: Solve for x
    x = 446,880,910,402.51/1,043,628.84
  6. Step 6: Final answer
    x = 428,199.08

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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.