Home / 1,000,315.91-1,380,307.34-570,570.41

Finding the Fourth Proportional to 1,000,315.91, 1,380,307.34 and 570,570.41

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Solution

The fourth proportional to 1,000,315.91, 1,380,307.34 and 570,570.41 is: 787,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,315.91 : 1,380,307.34 = 570,570.41 : x
  2. Step 2: Convert to fraction form
    1,000,315.91/1,380,307.34 = 570,570.41/x
  3. Step 3: Cross multiply
    1,000,315.91x = 1,380,307.34 × 570,570.41
  4. Step 4: Simplify right side
    1,000,315.91x = 787,562,529,787.00
  5. Step 5: Solve for x
    x = 787,562,529,787.00/1,000,315.91
  6. Step 6: Final answer
    x = 787,313.81

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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.