Home / 1,124,478-1,686,715.62-366,318.24

Finding the Fourth Proportional to 1,124,478, 1,686,715.62 and 366,318.24

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Solution

The fourth proportional to 1,124,478, 1,686,715.62 and 366,318.24 is: 549,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,478 : 1,686,715.62 = 366,318.24 : x
  2. Step 2: Convert to fraction form
    1,124,478/1,686,715.62 = 366,318.24/x
  3. Step 3: Cross multiply
    1,124,478x = 1,686,715.62 × 366,318.24
  4. Step 4: Simplify right side
    1,124,478x = 617,874,697,298.91
  5. Step 5: Solve for x
    x = 617,874,697,298.91/1,124,478
  6. Step 6: Final answer
    x = 549,476.91

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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.