Home / 913,445.70-1,280,923.50-913,445.70

Finding the Fourth Proportional to 913,445.70, 1,280,923.50 and 913,445.70

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Solution

The fourth proportional to 913,445.70, 1,280,923.50 and 913,445.70 is: 1,280,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,445.70 : 1,280,923.50 = 913,445.70 : x
  2. Step 2: Convert to fraction form
    913,445.70/1,280,923.50 = 913,445.70/x
  3. Step 3: Cross multiply
    913,445.70x = 1,280,923.50 × 913,445.70
  4. Step 4: Simplify right side
    913,445.70x = 1,170,054,063,103.95
  5. Step 5: Solve for x
    x = 1,170,054,063,103.95/913,445.70
  6. Step 6: Final answer
    x = 1,280,923.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.