Home / 1,009,326.32-1,513,995.12-299,359.68

Finding the Fourth Proportional to 1,009,326.32, 1,513,995.12 and 299,359.68

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Solution

The fourth proportional to 1,009,326.32, 1,513,995.12 and 299,359.68 is: 449,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,326.32 : 1,513,995.12 = 299,359.68 : x
  2. Step 2: Convert to fraction form
    1,009,326.32/1,513,995.12 = 299,359.68/x
  3. Step 3: Cross multiply
    1,009,326.32x = 1,513,995.12 × 299,359.68
  4. Step 4: Simplify right side
    1,009,326.32x = 453,229,094,644.76
  5. Step 5: Solve for x
    x = 453,229,094,644.76/1,009,326.32
  6. Step 6: Final answer
    x = 449,041.19

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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.