Home / 1,570,429.85-2,355,657.03-860,070.38

Finding the Fourth Proportional to 1,570,429.85, 2,355,657.03 and 860,070.38

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Solution

The fourth proportional to 1,570,429.85, 2,355,657.03 and 860,070.38 is: 1,290,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,429.85 : 2,355,657.03 = 860,070.38 : x
  2. Step 2: Convert to fraction form
    1,570,429.85/2,355,657.03 = 860,070.38/x
  3. Step 3: Cross multiply
    1,570,429.85x = 2,355,657.03 × 860,070.38
  4. Step 4: Simplify right side
    1,570,429.85x = 2,026,030,825,163.49
  5. Step 5: Solve for x
    x = 2,026,030,825,163.49/1,570,429.85
  6. Step 6: Final answer
    x = 1,290,112.28

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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.