Home / 1,249,107.21-1,873,665.68-302,478.84

Finding the Fourth Proportional to 1,249,107.21, 1,873,665.68 and 302,478.84

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Solution

The fourth proportional to 1,249,107.21, 1,873,665.68 and 302,478.84 is: 453,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,107.21 : 1,873,665.68 = 302,478.84 : x
  2. Step 2: Convert to fraction form
    1,249,107.21/1,873,665.68 = 302,478.84/x
  3. Step 3: Cross multiply
    1,249,107.21x = 1,873,665.68 × 302,478.84
  4. Step 4: Simplify right side
    1,249,107.21x = 566,744,219,921.82
  5. Step 5: Solve for x
    x = 566,744,219,921.82/1,249,107.21
  6. Step 6: Final answer
    x = 453,719.44

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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.