Home / 1,463,762.31-2,019,948.51-810,417.39

Finding the Fourth Proportional to 1,463,762.31, 2,019,948.51 and 810,417.39

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Solution

The fourth proportional to 1,463,762.31, 2,019,948.51 and 810,417.39 is: 1,118,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,762.31 : 2,019,948.51 = 810,417.39 : x
  2. Step 2: Convert to fraction form
    1,463,762.31/2,019,948.51 = 810,417.39/x
  3. Step 3: Cross multiply
    1,463,762.31x = 2,019,948.51 × 810,417.39
  4. Step 4: Simplify right side
    1,463,762.31x = 1,637,001,399,408.59
  5. Step 5: Solve for x
    x = 1,637,001,399,408.59/1,463,762.31
  6. Step 6: Final answer
    x = 1,118,351.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.