Home / 1,385,730.10-2,078,713.01-487,094.23

Finding the Fourth Proportional to 1,385,730.10, 2,078,713.01 and 487,094.23

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Solution

The fourth proportional to 1,385,730.10, 2,078,713.01 and 487,094.23 is: 730,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,730.10 : 2,078,713.01 = 487,094.23 : x
  2. Step 2: Convert to fraction form
    1,385,730.10/2,078,713.01 = 487,094.23/x
  3. Step 3: Cross multiply
    1,385,730.10x = 2,078,713.01 × 487,094.23
  4. Step 4: Simplify right side
    1,385,730.10x = 1,012,529,112,996.93
  5. Step 5: Solve for x
    x = 1,012,529,112,996.93/1,385,730.10
  6. Step 6: Final answer
    x = 730,682.77

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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.