Home / 1,234,246.40-1,703,417.58-690,412.40

Finding the Fourth Proportional to 1,234,246.40, 1,703,417.58 and 690,412.40

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Solution

The fourth proportional to 1,234,246.40, 1,703,417.58 and 690,412.40 is: 952,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,246.40 : 1,703,417.58 = 690,412.40 : x
  2. Step 2: Convert to fraction form
    1,234,246.40/1,703,417.58 = 690,412.40/x
  3. Step 3: Cross multiply
    1,234,246.40x = 1,703,417.58 × 690,412.40
  4. Step 4: Simplify right side
    1,234,246.40x = 1,176,060,619,609.99
  5. Step 5: Solve for x
    x = 1,176,060,619,609.99/1,234,246.40
  6. Step 6: Final answer
    x = 952,857.24

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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.