Home / 1,000,362.69-1,380,371.83-570,617.19

Finding the Fourth Proportional to 1,000,362.69, 1,380,371.83 and 570,617.19

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Solution

The fourth proportional to 1,000,362.69, 1,380,371.83 and 570,617.19 is: 787,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,362.69 : 1,380,371.83 = 570,617.19 : x
  2. Step 2: Convert to fraction form
    1,000,362.69/1,380,371.83 = 570,617.19/x
  3. Step 3: Cross multiply
    1,000,362.69x = 1,380,371.83 × 570,617.19
  4. Step 4: Simplify right side
    1,000,362.69x = 787,663,893,363.22
  5. Step 5: Solve for x
    x = 787,663,893,363.22/1,000,362.69
  6. Step 6: Final answer
    x = 787,378.32

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1.5x scale

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.