Home / 1,605,632.41-2,407,848.54-645,764.02

Finding the Fourth Proportional to 1,605,632.41, 2,407,848.54 and 645,764.02

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Solution

The fourth proportional to 1,605,632.41, 2,407,848.54 and 645,764.02 is: 968,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,632.41 : 2,407,848.54 = 645,764.02 : x
  2. Step 2: Convert to fraction form
    1,605,632.41/2,407,848.54 = 645,764.02/x
  3. Step 3: Cross multiply
    1,605,632.41x = 2,407,848.54 × 645,764.02
  4. Step 4: Simplify right side
    1,605,632.41x = 1,554,901,952,741.53
  5. Step 5: Solve for x
    x = 1,554,901,952,741.53/1,605,632.41
  6. Step 6: Final answer
    x = 968,404.69

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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.