Home / 1,085,649.90-1,628,488.70-286,924.54

Finding the Fourth Proportional to 1,085,649.90, 1,628,488.70 and 286,924.54

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Solution

The fourth proportional to 1,085,649.90, 1,628,488.70 and 286,924.54 is: 430,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,649.90 : 1,628,488.70 = 286,924.54 : x
  2. Step 2: Convert to fraction form
    1,085,649.90/1,628,488.70 = 286,924.54/x
  3. Step 3: Cross multiply
    1,085,649.90x = 1,628,488.70 × 286,924.54
  4. Step 4: Simplify right side
    1,085,649.90x = 467,253,371,142.70
  5. Step 5: Solve for x
    x = 467,253,371,142.70/1,085,649.90
  6. Step 6: Final answer
    x = 430,390.47

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1.5x scale

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.