Home / 1,270,150.38-1,902,526.70-860,068.85

Finding the Fourth Proportional to 1,270,150.38, 1,902,526.70 and 860,068.85

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Solution

The fourth proportional to 1,270,150.38, 1,902,526.70 and 860,068.85 is: 1,288,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,150.38 : 1,902,526.70 = 860,068.85 : x
  2. Step 2: Convert to fraction form
    1,270,150.38/1,902,526.70 = 860,068.85/x
  3. Step 3: Cross multiply
    1,270,150.38x = 1,902,526.70 × 860,068.85
  4. Step 4: Simplify right side
    1,270,150.38x = 1,636,303,937,150.32
  5. Step 5: Solve for x
    x = 1,636,303,937,150.32/1,270,150.38
  6. Step 6: Final answer
    x = 1,288,275.75

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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.