Home / 1,020,673.74-1,529,261-720,617.34

Finding the Fourth Proportional to 1,020,673.74, 1,529,261 and 720,617.34

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Solution

The fourth proportional to 1,020,673.74, 1,529,261 and 720,617.34 is: 1,079,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,673.74 : 1,529,261 = 720,617.34 : x
  2. Step 2: Convert to fraction form
    1,020,673.74/1,529,261 = 720,617.34/x
  3. Step 3: Cross multiply
    1,020,673.74x = 1,529,261 × 720,617.34
  4. Step 4: Simplify right side
    1,020,673.74x = 1,102,011,993,985.74
  5. Step 5: Solve for x
    x = 1,102,011,993,985.74/1,020,673.74
  6. Step 6: Final answer
    x = 1,079,690.75

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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.