Home / 1,545,515.93-2,316,637.69-519,869.81

Finding the Fourth Proportional to 1,545,515.93, 2,316,637.69 and 519,869.81

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Solution

The fourth proportional to 1,545,515.93, 2,316,637.69 and 519,869.81 is: 779,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,515.93 : 2,316,637.69 = 519,869.81 : x
  2. Step 2: Convert to fraction form
    1,545,515.93/2,316,637.69 = 519,869.81/x
  3. Step 3: Cross multiply
    1,545,515.93x = 2,316,637.69 × 519,869.81
  4. Step 4: Simplify right side
    1,545,515.93x = 1,204,349,982,856.28
  5. Step 5: Solve for x
    x = 1,204,349,982,856.28/1,545,515.93
  6. Step 6: Final answer
    x = 779,254.33

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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.