Home / 1,778,580.42-2,665,508.70-1,020,784.92

Finding the Fourth Proportional to 1,778,580.42, 2,665,508.70 and 1,020,784.92

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Solution

The fourth proportional to 1,778,580.42, 2,665,508.70 and 1,020,784.92 is: 1,529,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,580.42 : 2,665,508.70 = 1,020,784.92 : x
  2. Step 2: Convert to fraction form
    1,778,580.42/2,665,508.70 = 1,020,784.92/x
  3. Step 3: Cross multiply
    1,778,580.42x = 2,665,508.70 × 1,020,784.92
  4. Step 4: Simplify right side
    1,778,580.42x = 2,720,911,085,088.80
  5. Step 5: Solve for x
    x = 2,720,911,085,088.80/1,778,580.42
  6. Step 6: Final answer
    x = 1,529,821.79

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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.