Home / 1,005,650.85-1,387,599.63-564,140.10

Finding the Fourth Proportional to 1,005,650.85, 1,387,599.63 and 564,140.10

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Solution

The fourth proportional to 1,005,650.85, 1,387,599.63 and 564,140.10 is: 778,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,650.85 : 1,387,599.63 = 564,140.10 : x
  2. Step 2: Convert to fraction form
    1,005,650.85/1,387,599.63 = 564,140.10/x
  3. Step 3: Cross multiply
    1,005,650.85x = 1,387,599.63 × 564,140.10
  4. Step 4: Simplify right side
    1,005,650.85x = 782,800,594,028.16
  5. Step 5: Solve for x
    x = 782,800,594,028.16/1,005,650.85
  6. Step 6: Final answer
    x = 778,401.96

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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.