Home / 1,020,491.81-1,530,234.70-346,327.19

Finding the Fourth Proportional to 1,020,491.81, 1,530,234.70 and 346,327.19

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Solution

The fourth proportional to 1,020,491.81, 1,530,234.70 and 346,327.19 is: 519,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,491.81 : 1,530,234.70 = 346,327.19 : x
  2. Step 2: Convert to fraction form
    1,020,491.81/1,530,234.70 = 346,327.19/x
  3. Step 3: Cross multiply
    1,020,491.81x = 1,530,234.70 × 346,327.19
  4. Step 4: Simplify right side
    1,020,491.81x = 529,961,875,174.50
  5. Step 5: Solve for x
    x = 529,961,875,174.50/1,020,491.81
  6. Step 6: Final answer
    x = 519,320.07

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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.