Home / 1,520,019.40-2,278,741.38-666,444.16

Finding the Fourth Proportional to 1,520,019.40, 2,278,741.38 and 666,444.16

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Solution

The fourth proportional to 1,520,019.40, 2,278,741.38 and 666,444.16 is: 999,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,019.40 : 2,278,741.38 = 666,444.16 : x
  2. Step 2: Convert to fraction form
    1,520,019.40/2,278,741.38 = 666,444.16/x
  3. Step 3: Cross multiply
    1,520,019.40x = 2,278,741.38 × 666,444.16
  4. Step 4: Simplify right side
    1,520,019.40x = 1,518,653,878,005.80
  5. Step 5: Solve for x
    x = 1,518,653,878,005.80/1,520,019.40
  6. Step 6: Final answer
    x = 999,101.64

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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.