Home / 1,423,513.86-1,964,390.58-850,869.78

Finding the Fourth Proportional to 1,423,513.86, 1,964,390.58 and 850,869.78

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Solution

The fourth proportional to 1,423,513.86, 1,964,390.58 and 850,869.78 is: 1,174,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,513.86 : 1,964,390.58 = 850,869.78 : x
  2. Step 2: Convert to fraction form
    1,423,513.86/1,964,390.58 = 850,869.78/x
  3. Step 3: Cross multiply
    1,423,513.86x = 1,964,390.58 × 850,869.78
  4. Step 4: Simplify right side
    1,423,513.86x = 1,671,440,580,638.67
  5. Step 5: Solve for x
    x = 1,671,440,580,638.67/1,423,513.86
  6. Step 6: Final answer
    x = 1,174,165.30

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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.