Home / 1,380,539.74-2,070,950.98-528,328.20

Finding the Fourth Proportional to 1,380,539.74, 2,070,950.98 and 528,328.20

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Solution

The fourth proportional to 1,380,539.74, 2,070,950.98 and 528,328.20 is: 792,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,539.74 : 2,070,950.98 = 528,328.20 : x
  2. Step 2: Convert to fraction form
    1,380,539.74/2,070,950.98 = 528,328.20/x
  3. Step 3: Cross multiply
    1,380,539.74x = 2,070,950.98 × 528,328.20
  4. Step 4: Simplify right side
    1,380,539.74x = 1,094,141,803,551.64
  5. Step 5: Solve for x
    x = 1,094,141,803,551.64/1,380,539.74
  6. Step 6: Final answer
    x = 792,546.40

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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.