Home / 692,743.40-1,039,115.10-672,007.40

Finding the Fourth Proportional to 692,743.40, 1,039,115.10 and 672,007.40

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Solution

The fourth proportional to 692,743.40, 1,039,115.10 and 672,007.40 is: 1,008,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,743.40 : 1,039,115.10 = 672,007.40 : x
  2. Step 2: Convert to fraction form
    692,743.40/1,039,115.10 = 672,007.40/x
  3. Step 3: Cross multiply
    692,743.40x = 1,039,115.10 × 672,007.40
  4. Step 4: Simplify right side
    692,743.40x = 698,293,036,651.74
  5. Step 5: Solve for x
    x = 698,293,036,651.74/692,743.40
  6. Step 6: Final answer
    x = 1,008,011.10

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1.5x scale

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.