Home / 2,587,285.40-3,881,518.58-790,424.33

Finding the Fourth Proportional to 2,587,285.40, 3,881,518.58 and 790,424.33

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Solution

The fourth proportional to 2,587,285.40, 3,881,518.58 and 790,424.33 is: 1,185,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,285.40 : 3,881,518.58 = 790,424.33 : x
  2. Step 2: Convert to fraction form
    2,587,285.40/3,881,518.58 = 790,424.33/x
  3. Step 3: Cross multiply
    2,587,285.40x = 3,881,518.58 × 790,424.33
  4. Step 4: Simplify right side
    2,587,285.40x = 3,068,046,705,547.52
  5. Step 5: Solve for x
    x = 3,068,046,705,547.52/2,587,285.40
  6. Step 6: Final answer
    x = 1,185,816.88

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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.