Home / 840,630.60-1,260,945.90-740,903.40

Finding the Fourth Proportional to 840,630.60, 1,260,945.90 and 740,903.40

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Solution

The fourth proportional to 840,630.60, 1,260,945.90 and 740,903.40 is: 1,111,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,630.60 : 1,260,945.90 = 740,903.40 : x
  2. Step 2: Convert to fraction form
    840,630.60/1,260,945.90 = 740,903.40/x
  3. Step 3: Cross multiply
    840,630.60x = 1,260,945.90 × 740,903.40
  4. Step 4: Simplify right side
    840,630.60x = 934,239,104,526.06
  5. Step 5: Solve for x
    x = 934,239,104,526.06/840,630.60
  6. Step 6: Final answer
    x = 1,111,355.10

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1.5x scale

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.