Home / 1,351,012-1,864,234.56-778,238.32

Finding the Fourth Proportional to 1,351,012, 1,864,234.56 and 778,238.32

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Solution

The fourth proportional to 1,351,012, 1,864,234.56 and 778,238.32 is: 1,073,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,012 : 1,864,234.56 = 778,238.32 : x
  2. Step 2: Convert to fraction form
    1,351,012/1,864,234.56 = 778,238.32/x
  3. Step 3: Cross multiply
    1,351,012x = 1,864,234.56 × 778,238.32
  4. Step 4: Simplify right side
    1,351,012x = 1,450,818,772,060.34
  5. Step 5: Solve for x
    x = 1,450,818,772,060.34/1,351,012
  6. Step 6: Final answer
    x = 1,073,875.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.