Home / 934,725.80-1,402,088.70-928,820.90

Finding the Fourth Proportional to 934,725.80, 1,402,088.70 and 928,820.90

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Solution

The fourth proportional to 934,725.80, 1,402,088.70 and 928,820.90 is: 1,393,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,725.80 : 1,402,088.70 = 928,820.90 : x
  2. Step 2: Convert to fraction form
    934,725.80/1,402,088.70 = 928,820.90/x
  3. Step 3: Cross multiply
    934,725.80x = 1,402,088.70 × 928,820.90
  4. Step 4: Simplify right side
    934,725.80x = 1,302,289,288,213.83
  5. Step 5: Solve for x
    x = 1,302,289,288,213.83/934,725.80
  6. Step 6: Final answer
    x = 1,393,231.35

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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.