Home / 1,675,612.86-2,312,276.67-911,669.46

Finding the Fourth Proportional to 1,675,612.86, 2,312,276.67 and 911,669.46

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Solution

The fourth proportional to 1,675,612.86, 2,312,276.67 and 911,669.46 is: 1,258,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,612.86 : 2,312,276.67 = 911,669.46 : x
  2. Step 2: Convert to fraction form
    1,675,612.86/2,312,276.67 = 911,669.46/x
  3. Step 3: Cross multiply
    1,675,612.86x = 2,312,276.67 × 911,669.46
  4. Step 4: Simplify right side
    1,675,612.86x = 2,108,032,023,109.50
  5. Step 5: Solve for x
    x = 2,108,032,023,109.50/1,675,612.86
  6. Step 6: Final answer
    x = 1,258,066.27

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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.