Home / 997,730.40-1,496,595.60-915,061.80

Finding the Fourth Proportional to 997,730.40, 1,496,595.60 and 915,061.80

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Solution

The fourth proportional to 997,730.40, 1,496,595.60 and 915,061.80 is: 1,372,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,730.40 : 1,496,595.60 = 915,061.80 : x
  2. Step 2: Convert to fraction form
    997,730.40/1,496,595.60 = 915,061.80/x
  3. Step 3: Cross multiply
    997,730.40x = 1,496,595.60 × 915,061.80
  4. Step 4: Simplify right side
    997,730.40x = 1,369,477,463,608.08
  5. Step 5: Solve for x
    x = 1,369,477,463,608.08/997,730.40
  6. Step 6: Final answer
    x = 1,372,592.70

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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.