Home / 1,396,688.89-2,094,701.16-385,788.46

Finding the Fourth Proportional to 1,396,688.89, 2,094,701.16 and 385,788.46

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Solution

The fourth proportional to 1,396,688.89, 2,094,701.16 and 385,788.46 is: 578,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,688.89 : 2,094,701.16 = 385,788.46 : x
  2. Step 2: Convert to fraction form
    1,396,688.89/2,094,701.16 = 385,788.46/x
  3. Step 3: Cross multiply
    1,396,688.89x = 2,094,701.16 × 385,788.46
  4. Step 4: Simplify right side
    1,396,688.89x = 808,111,534,676.61
  5. Step 5: Solve for x
    x = 808,111,534,676.61/1,396,688.89
  6. Step 6: Final answer
    x = 578,590.94

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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.