Home / 1,020,824.10-1,529,486.55-665,655.30

Finding the Fourth Proportional to 1,020,824.10, 1,529,486.55 and 665,655.30

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Solution

The fourth proportional to 1,020,824.10, 1,529,486.55 and 665,655.30 is: 997,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,824.10 : 1,529,486.55 = 665,655.30 : x
  2. Step 2: Convert to fraction form
    1,020,824.10/1,529,486.55 = 665,655.30/x
  3. Step 3: Cross multiply
    1,020,824.10x = 1,529,486.55 × 665,655.30
  4. Step 4: Simplify right side
    1,020,824.10x = 1,018,110,828,286.22
  5. Step 5: Solve for x
    x = 1,018,110,828,286.22/1,020,824.10
  6. Step 6: Final answer
    x = 997,342.08

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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.