Home / 1,478,495.19-2,217,403.80-413,644.89

Finding the Fourth Proportional to 1,478,495.19, 2,217,403.80 and 413,644.89

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Solution

The fourth proportional to 1,478,495.19, 2,217,403.80 and 413,644.89 is: 620,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,495.19 : 2,217,403.80 = 413,644.89 : x
  2. Step 2: Convert to fraction form
    1,478,495.19/2,217,403.80 = 413,644.89/x
  3. Step 3: Cross multiply
    1,478,495.19x = 2,217,403.80 × 413,644.89
  4. Step 4: Simplify right side
    1,478,495.19x = 917,217,750,936.58
  5. Step 5: Solve for x
    x = 917,217,750,936.58/1,478,495.19
  6. Step 6: Final answer
    x = 620,372.50

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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.