Home / 1,506,295.45-2,078,680.89-817,961.77

Finding the Fourth Proportional to 1,506,295.45, 2,078,680.89 and 817,961.77

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Solution

The fourth proportional to 1,506,295.45, 2,078,680.89 and 817,961.77 is: 1,128,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,295.45 : 2,078,680.89 = 817,961.77 : x
  2. Step 2: Convert to fraction form
    1,506,295.45/2,078,680.89 = 817,961.77/x
  3. Step 3: Cross multiply
    1,506,295.45x = 2,078,680.89 × 817,961.77
  4. Step 4: Simplify right side
    1,506,295.45x = 1,700,281,500,049.58
  5. Step 5: Solve for x
    x = 1,700,281,500,049.58/1,506,295.45
  6. Step 6: Final answer
    x = 1,128,783.53

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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.