Home / 727,727.20-1,020,917.60-727,727.20

Finding the Fourth Proportional to 727,727.20, 1,020,917.60 and 727,727.20

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Solution

The fourth proportional to 727,727.20, 1,020,917.60 and 727,727.20 is: 1,020,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,727.20 : 1,020,917.60 = 727,727.20 : x
  2. Step 2: Convert to fraction form
    727,727.20/1,020,917.60 = 727,727.20/x
  3. Step 3: Cross multiply
    727,727.20x = 1,020,917.60 × 727,727.20
  4. Step 4: Simplify right side
    727,727.20x = 742,949,506,478.72
  5. Step 5: Solve for x
    x = 742,949,506,478.72/727,727.20
  6. Step 6: Final answer
    x = 1,020,917.60

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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.