Home / 1,005,205.40-1,387,385.21-597,228.69

Finding the Fourth Proportional to 1,005,205.40, 1,387,385.21 and 597,228.69

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Solution

The fourth proportional to 1,005,205.40, 1,387,385.21 and 597,228.69 is: 824,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,205.40 : 1,387,385.21 = 597,228.69 : x
  2. Step 2: Convert to fraction form
    1,005,205.40/1,387,385.21 = 597,228.69/x
  3. Step 3: Cross multiply
    1,005,205.40x = 1,387,385.21 × 597,228.69
  4. Step 4: Simplify right side
    1,005,205.40x = 828,586,248,507.53
  5. Step 5: Solve for x
    x = 828,586,248,507.53/1,005,205.40
  6. Step 6: Final answer
    x = 824,295.47

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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.