Home / 1,078,712.78-1,616,931.73-358,862.22

Finding the Fourth Proportional to 1,078,712.78, 1,616,931.73 and 358,862.22

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Solution

The fourth proportional to 1,078,712.78, 1,616,931.73 and 358,862.22 is: 537,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,712.78 : 1,616,931.73 = 358,862.22 : x
  2. Step 2: Convert to fraction form
    1,078,712.78/1,616,931.73 = 358,862.22/x
  3. Step 3: Cross multiply
    1,078,712.78x = 1,616,931.73 × 358,862.22
  4. Step 4: Simplify right side
    1,078,712.78x = 580,255,717,991.31
  5. Step 5: Solve for x
    x = 580,255,717,991.31/1,078,712.78
  6. Step 6: Final answer
    x = 537,914.94

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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.