Home / 1,001,359.32-1,503,159.84-665,056.68

Finding the Fourth Proportional to 1,001,359.32, 1,503,159.84 and 665,056.68

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Solution

The fourth proportional to 1,001,359.32, 1,503,159.84 and 665,056.68 is: 998,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,359.32 : 1,503,159.84 = 665,056.68 : x
  2. Step 2: Convert to fraction form
    1,001,359.32/1,503,159.84 = 665,056.68/x
  3. Step 3: Cross multiply
    1,001,359.32x = 1,503,159.84 × 665,056.68
  4. Step 4: Simplify right side
    1,001,359.32x = 999,686,492,699.73
  5. Step 5: Solve for x
    x = 999,686,492,699.73/1,001,359.32
  6. Step 6: Final answer
    x = 998,329.44

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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.