Home / 1,069,579.18-1,603,289.08-670,500.28

Finding the Fourth Proportional to 1,069,579.18, 1,603,289.08 and 670,500.28

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Solution

The fourth proportional to 1,069,579.18, 1,603,289.08 and 670,500.28 is: 1,005,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,579.18 : 1,603,289.08 = 670,500.28 : x
  2. Step 2: Convert to fraction form
    1,069,579.18/1,603,289.08 = 670,500.28/x
  3. Step 3: Cross multiply
    1,069,579.18x = 1,603,289.08 × 670,500.28
  4. Step 4: Simplify right side
    1,069,579.18x = 1,075,005,777,060.94
  5. Step 5: Solve for x
    x = 1,075,005,777,060.94/1,069,579.18
  6. Step 6: Final answer
    x = 1,005,073.58

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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.