Home / 1,031,417.46-1,547,200.71-431,775.54

Finding the Fourth Proportional to 1,031,417.46, 1,547,200.71 and 431,775.54

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Solution

The fourth proportional to 1,031,417.46, 1,547,200.71 and 431,775.54 is: 647,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,417.46 : 1,547,200.71 = 431,775.54 : x
  2. Step 2: Convert to fraction form
    1,031,417.46/1,547,200.71 = 431,775.54/x
  3. Step 3: Cross multiply
    1,031,417.46x = 1,547,200.71 × 431,775.54
  4. Step 4: Simplify right side
    1,031,417.46x = 668,043,422,048.63
  5. Step 5: Solve for x
    x = 668,043,422,048.63/1,031,417.46
  6. Step 6: Final answer
    x = 647,694.51

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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.