Home / 1,570,765.21-2,353,967.61-715,747.30

Finding the Fourth Proportional to 1,570,765.21, 2,353,967.61 and 715,747.30

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Solution

The fourth proportional to 1,570,765.21, 2,353,967.61 and 715,747.30 is: 1,072,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,765.21 : 2,353,967.61 = 715,747.30 : x
  2. Step 2: Convert to fraction form
    1,570,765.21/2,353,967.61 = 715,747.30/x
  3. Step 3: Cross multiply
    1,570,765.21x = 2,353,967.61 × 715,747.30
  4. Step 4: Simplify right side
    1,570,765.21x = 1,684,845,961,144.95
  5. Step 5: Solve for x
    x = 1,684,845,961,144.95/1,570,765.21
  6. Step 6: Final answer
    x = 1,072,627.50

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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.