Home / 1,605,637.56-2,407,856.24-645,769.20

Finding the Fourth Proportional to 1,605,637.56, 2,407,856.24 and 645,769.20

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Solution

The fourth proportional to 1,605,637.56, 2,407,856.24 and 645,769.20 is: 968,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,637.56 : 2,407,856.24 = 645,769.20 : x
  2. Step 2: Convert to fraction form
    1,605,637.56/2,407,856.24 = 645,769.20/x
  3. Step 3: Cross multiply
    1,605,637.56x = 2,407,856.24 × 645,769.20
  4. Step 4: Simplify right side
    1,605,637.56x = 1,554,919,397,819.81
  5. Step 5: Solve for x
    x = 1,554,919,397,819.81/1,605,637.56
  6. Step 6: Final answer
    x = 968,412.45

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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.