Home / 1,104,176.16-1,523,658.06-645,398.28

Finding the Fourth Proportional to 1,104,176.16, 1,523,658.06 and 645,398.28

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Solution

The fourth proportional to 1,104,176.16, 1,523,658.06 and 645,398.28 is: 890,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,176.16 : 1,523,658.06 = 645,398.28 : x
  2. Step 2: Convert to fraction form
    1,104,176.16/1,523,658.06 = 645,398.28/x
  3. Step 3: Cross multiply
    1,104,176.16x = 1,523,658.06 × 645,398.28
  4. Step 4: Simplify right side
    1,104,176.16x = 983,366,291,232.14
  5. Step 5: Solve for x
    x = 983,366,291,232.14/1,104,176.16
  6. Step 6: Final answer
    x = 890,588.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.