Home / 1,570,432.85-2,355,661.53-860,073.38

Finding the Fourth Proportional to 1,570,432.85, 2,355,661.53 and 860,073.38

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Solution

The fourth proportional to 1,570,432.85, 2,355,661.53 and 860,073.38 is: 1,290,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,432.85 : 2,355,661.53 = 860,073.38 : x
  2. Step 2: Convert to fraction form
    1,570,432.85/2,355,661.53 = 860,073.38/x
  3. Step 3: Cross multiply
    1,570,432.85x = 2,355,661.53 × 860,073.38
  4. Step 4: Simplify right side
    1,570,432.85x = 2,026,041,762,464.76
  5. Step 5: Solve for x
    x = 2,026,041,762,464.76/1,570,432.85
  6. Step 6: Final answer
    x = 1,290,116.78

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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.