Home / 1,291,370.42-1,937,055.62-470,770.58

Finding the Fourth Proportional to 1,291,370.42, 1,937,055.62 and 470,770.58

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Solution

The fourth proportional to 1,291,370.42, 1,937,055.62 and 470,770.58 is: 706,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,370.42 : 1,937,055.62 = 470,770.58 : x
  2. Step 2: Convert to fraction form
    1,291,370.42/1,937,055.62 = 470,770.58/x
  3. Step 3: Cross multiply
    1,291,370.42x = 1,937,055.62 × 470,770.58
  4. Step 4: Simplify right side
    1,291,370.42x = 911,908,797,719.66
  5. Step 5: Solve for x
    x = 911,908,797,719.66/1,291,370.42
  6. Step 6: Final answer
    x = 706,155.87

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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.