Home / 1,064,259.28-1,596,330.60-643,422.16

Finding the Fourth Proportional to 1,064,259.28, 1,596,330.60 and 643,422.16

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Solution

The fourth proportional to 1,064,259.28, 1,596,330.60 and 643,422.16 is: 965,097.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,259.28 : 1,596,330.60 = 643,422.16 : x
  2. Step 2: Convert to fraction form
    1,064,259.28/1,596,330.60 = 643,422.16/x
  3. Step 3: Cross multiply
    1,064,259.28x = 1,596,330.60 × 643,422.16
  4. Step 4: Simplify right side
    1,064,259.28x = 1,027,114,482,726.10
  5. Step 5: Solve for x
    x = 1,027,114,482,726.10/1,064,259.28
  6. Step 6: Final answer
    x = 965,097.98

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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.