Home / 1,021,788.40-1,410,111.48-569,079.40

Finding the Fourth Proportional to 1,021,788.40, 1,410,111.48 and 569,079.40

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Solution

The fourth proportional to 1,021,788.40, 1,410,111.48 and 569,079.40 is: 785,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,788.40 : 1,410,111.48 = 569,079.40 : x
  2. Step 2: Convert to fraction form
    1,021,788.40/1,410,111.48 = 569,079.40/x
  3. Step 3: Cross multiply
    1,021,788.40x = 1,410,111.48 × 569,079.40
  4. Step 4: Simplify right side
    1,021,788.40x = 802,465,394,971.51
  5. Step 5: Solve for x
    x = 802,465,394,971.51/1,021,788.40
  6. Step 6: Final answer
    x = 785,353.79

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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.