Home / 1,078,484.19-1,488,847.50-670,717.40

Finding the Fourth Proportional to 1,078,484.19, 1,488,847.50 and 670,717.40

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Solution

The fourth proportional to 1,078,484.19, 1,488,847.50 and 670,717.40 is: 925,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,484.19 : 1,488,847.50 = 670,717.40 : x
  2. Step 2: Convert to fraction form
    1,078,484.19/1,488,847.50 = 670,717.40/x
  3. Step 3: Cross multiply
    1,078,484.19x = 1,488,847.50 × 670,717.40
  4. Step 4: Simplify right side
    1,078,484.19x = 998,595,916,752.26
  5. Step 5: Solve for x
    x = 998,595,916,752.26/1,078,484.19
  6. Step 6: Final answer
    x = 925,925.41

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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.