Home / 1,020,377.80-1,530,728.70-346,522.60

Finding the Fourth Proportional to 1,020,377.80, 1,530,728.70 and 346,522.60

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Solution

The fourth proportional to 1,020,377.80, 1,530,728.70 and 346,522.60 is: 519,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,377.80 : 1,530,728.70 = 346,522.60 : x
  2. Step 2: Convert to fraction form
    1,020,377.80/1,530,728.70 = 346,522.60/x
  3. Step 3: Cross multiply
    1,020,377.80x = 1,530,728.70 × 346,522.60
  4. Step 4: Simplify right side
    1,020,377.80x = 530,432,089,018.62
  5. Step 5: Solve for x
    x = 530,432,089,018.62/1,020,377.80
  6. Step 6: Final answer
    x = 519,838.92

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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.