Home / 1,124,088.86-1,686,129.24-404,429.06

Finding the Fourth Proportional to 1,124,088.86, 1,686,129.24 and 404,429.06

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Solution

The fourth proportional to 1,124,088.86, 1,686,129.24 and 404,429.06 is: 606,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,088.86 : 1,686,129.24 = 404,429.06 : x
  2. Step 2: Convert to fraction form
    1,124,088.86/1,686,129.24 = 404,429.06/x
  3. Step 3: Cross multiply
    1,124,088.86x = 1,686,129.24 × 404,429.06
  4. Step 4: Simplify right side
    1,124,088.86x = 681,919,663,571.71
  5. Step 5: Solve for x
    x = 681,919,663,571.71/1,124,088.86
  6. Step 6: Final answer
    x = 606,642.13

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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.