Home / 1,161,416.16-1,742,132.88-320,014.08

Finding the Fourth Proportional to 1,161,416.16, 1,742,132.88 and 320,014.08

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Solution

The fourth proportional to 1,161,416.16, 1,742,132.88 and 320,014.08 is: 480,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,416.16 : 1,742,132.88 = 320,014.08 : x
  2. Step 2: Convert to fraction form
    1,161,416.16/1,742,132.88 = 320,014.08/x
  3. Step 3: Cross multiply
    1,161,416.16x = 1,742,132.88 × 320,014.08
  4. Step 4: Simplify right side
    1,161,416.16x = 557,507,050,830.95
  5. Step 5: Solve for x
    x = 557,507,050,830.95/1,161,416.16
  6. Step 6: Final answer
    x = 480,023.50

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Double scale
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Similar ratio
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1.5x scale

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.