Home / 1,615,848-2,424,126.74-478,699.22

Finding the Fourth Proportional to 1,615,848, 2,424,126.74 and 478,699.22

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Solution

The fourth proportional to 1,615,848, 2,424,126.74 and 478,699.22 is: 718,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,848 : 2,424,126.74 = 478,699.22 : x
  2. Step 2: Convert to fraction form
    1,615,848/2,424,126.74 = 478,699.22/x
  3. Step 3: Cross multiply
    1,615,848x = 2,424,126.74 × 478,699.22
  4. Step 4: Simplify right side
    1,615,848x = 1,160,427,579,619.14
  5. Step 5: Solve for x
    x = 1,160,427,579,619.14/1,615,848
  6. Step 6: Final answer
    x = 718,153.92

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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.