Home / 1,013,565.36-1,398,624.96-686,212.56

Finding the Fourth Proportional to 1,013,565.36, 1,398,624.96 and 686,212.56

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Solution

The fourth proportional to 1,013,565.36, 1,398,624.96 and 686,212.56 is: 946,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,565.36 : 1,398,624.96 = 686,212.56 : x
  2. Step 2: Convert to fraction form
    1,013,565.36/1,398,624.96 = 686,212.56/x
  3. Step 3: Cross multiply
    1,013,565.36x = 1,398,624.96 × 686,212.56
  4. Step 4: Simplify right side
    1,013,565.36x = 959,754,014,281.50
  5. Step 5: Solve for x
    x = 959,754,014,281.50/1,013,565.36
  6. Step 6: Final answer
    x = 946,908.85

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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.