Home / 1,069,521.64-1,604,284.62-438,322.12

Finding the Fourth Proportional to 1,069,521.64, 1,604,284.62 and 438,322.12

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Solution

The fourth proportional to 1,069,521.64, 1,604,284.62 and 438,322.12 is: 657,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,521.64 : 1,604,284.62 = 438,322.12 : x
  2. Step 2: Convert to fraction form
    1,069,521.64/1,604,284.62 = 438,322.12/x
  3. Step 3: Cross multiply
    1,069,521.64x = 1,604,284.62 × 438,322.12
  4. Step 4: Simplify right side
    1,069,521.64x = 703,193,435,721.79
  5. Step 5: Solve for x
    x = 703,193,435,721.79/1,069,521.64
  6. Step 6: Final answer
    x = 657,484.07

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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.