Home / 1,008,498.60-1,510,674.30-693,311.40

Finding the Fourth Proportional to 1,008,498.60, 1,510,674.30 and 693,311.40

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Solution

The fourth proportional to 1,008,498.60, 1,510,674.30 and 693,311.40 is: 1,038,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,498.60 : 1,510,674.30 = 693,311.40 : x
  2. Step 2: Convert to fraction form
    1,008,498.60/1,510,674.30 = 693,311.40/x
  3. Step 3: Cross multiply
    1,008,498.60x = 1,510,674.30 × 693,311.40
  4. Step 4: Simplify right side
    1,008,498.60x = 1,047,367,713,877.02
  5. Step 5: Solve for x
    x = 1,047,367,713,877.02/1,008,498.60
  6. Step 6: Final answer
    x = 1,038,541.56

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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.