Home / 1,636,307.60-2,454,461.40-438,414.80

Finding the Fourth Proportional to 1,636,307.60, 2,454,461.40 and 438,414.80

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Solution

The fourth proportional to 1,636,307.60, 2,454,461.40 and 438,414.80 is: 657,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,307.60 : 2,454,461.40 = 438,414.80 : x
  2. Step 2: Convert to fraction form
    1,636,307.60/2,454,461.40 = 438,414.80/x
  3. Step 3: Cross multiply
    1,636,307.60x = 2,454,461.40 × 438,414.80
  4. Step 4: Simplify right side
    1,636,307.60x = 1,076,072,203,788.72
  5. Step 5: Solve for x
    x = 1,076,072,203,788.72/1,636,307.60
  6. Step 6: Final answer
    x = 657,622.20

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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.