Home / 1,131,071.40-1,697,815.62-457,592.85

Finding the Fourth Proportional to 1,131,071.40, 1,697,815.62 and 457,592.85

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Solution

The fourth proportional to 1,131,071.40, 1,697,815.62 and 457,592.85 is: 686,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,071.40 : 1,697,815.62 = 457,592.85 : x
  2. Step 2: Convert to fraction form
    1,131,071.40/1,697,815.62 = 457,592.85/x
  3. Step 3: Cross multiply
    1,131,071.40x = 1,697,815.62 × 457,592.85
  4. Step 4: Simplify right side
    1,131,071.40x = 776,908,288,330.32
  5. Step 5: Solve for x
    x = 776,908,288,330.32/1,131,071.40
  6. Step 6: Final answer
    x = 686,878.20

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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.