Home / 1,464,909-2,197,377.18-518,440.20

Finding the Fourth Proportional to 1,464,909, 2,197,377.18 and 518,440.20

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Solution

The fourth proportional to 1,464,909, 2,197,377.18 and 518,440.20 is: 777,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,909 : 2,197,377.18 = 518,440.20 : x
  2. Step 2: Convert to fraction form
    1,464,909/2,197,377.18 = 518,440.20/x
  3. Step 3: Cross multiply
    1,464,909x = 2,197,377.18 × 518,440.20
  4. Step 4: Simplify right side
    1,464,909x = 1,139,208,664,674.64
  5. Step 5: Solve for x
    x = 1,139,208,664,674.64/1,464,909
  6. Step 6: Final answer
    x = 777,665.14

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Double scale
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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.