Home / 1,478,070.30-2,216,416.50-767,907.66

Finding the Fourth Proportional to 1,478,070.30, 2,216,416.50 and 767,907.66

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Solution

The fourth proportional to 1,478,070.30, 2,216,416.50 and 767,907.66 is: 1,151,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,070.30 : 2,216,416.50 = 767,907.66 : x
  2. Step 2: Convert to fraction form
    1,478,070.30/2,216,416.50 = 767,907.66/x
  3. Step 3: Cross multiply
    1,478,070.30x = 2,216,416.50 × 767,907.66
  4. Step 4: Simplify right side
    1,478,070.30x = 1,702,003,208,100.39
  5. Step 5: Solve for x
    x = 1,702,003,208,100.39/1,478,070.30
  6. Step 6: Final answer
    x = 1,151,503.56

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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.