Home / 1,572,178.32-2,358,267.48-390,226.32

Finding the Fourth Proportional to 1,572,178.32, 2,358,267.48 and 390,226.32

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Solution

The fourth proportional to 1,572,178.32, 2,358,267.48 and 390,226.32 is: 585,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,178.32 : 2,358,267.48 = 390,226.32 : x
  2. Step 2: Convert to fraction form
    1,572,178.32/2,358,267.48 = 390,226.32/x
  3. Step 3: Cross multiply
    1,572,178.32x = 2,358,267.48 × 390,226.32
  4. Step 4: Simplify right side
    1,572,178.32x = 920,258,040,296.07
  5. Step 5: Solve for x
    x = 920,258,040,296.07/1,572,178.32
  6. Step 6: Final answer
    x = 585,339.48

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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.