Home / 1,009,859.78-1,513,480.78-410,124.24

Finding the Fourth Proportional to 1,009,859.78, 1,513,480.78 and 410,124.24

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Solution

The fourth proportional to 1,009,859.78, 1,513,480.78 and 410,124.24 is: 614,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,859.78 : 1,513,480.78 = 410,124.24 : x
  2. Step 2: Convert to fraction form
    1,009,859.78/1,513,480.78 = 410,124.24/x
  3. Step 3: Cross multiply
    1,009,859.78x = 1,513,480.78 × 410,124.24
  4. Step 4: Simplify right side
    1,009,859.78x = 620,715,154,652.11
  5. Step 5: Solve for x
    x = 620,715,154,652.11/1,009,859.78
  6. Step 6: Final answer
    x = 614,654.79

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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.