Home / 910,017.20-1,365,025.80-898,207.40

Finding the Fourth Proportional to 910,017.20, 1,365,025.80 and 898,207.40

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Solution

The fourth proportional to 910,017.20, 1,365,025.80 and 898,207.40 is: 1,347,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,017.20 : 1,365,025.80 = 898,207.40 : x
  2. Step 2: Convert to fraction form
    910,017.20/1,365,025.80 = 898,207.40/x
  3. Step 3: Cross multiply
    910,017.20x = 1,365,025.80 × 898,207.40
  4. Step 4: Simplify right side
    910,017.20x = 1,226,076,274,750.92
  5. Step 5: Solve for x
    x = 1,226,076,274,750.92/910,017.20
  6. Step 6: Final answer
    x = 1,347,311.10

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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.