Home / 1,127,276.79-1,690,495.05-453,130.86

Finding the Fourth Proportional to 1,127,276.79, 1,690,495.05 and 453,130.86

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Solution

The fourth proportional to 1,127,276.79, 1,690,495.05 and 453,130.86 is: 679,527.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,276.79 : 1,690,495.05 = 453,130.86 : x
  2. Step 2: Convert to fraction form
    1,127,276.79/1,690,495.05 = 453,130.86/x
  3. Step 3: Cross multiply
    1,127,276.79x = 1,690,495.05 × 453,130.86
  4. Step 4: Simplify right side
    1,127,276.79x = 766,015,475,832.24
  5. Step 5: Solve for x
    x = 766,015,475,832.24/1,127,276.79
  6. Step 6: Final answer
    x = 679,527.41

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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.