Home / 1,065,947.20-1,598,847.90-346,278.40

Finding the Fourth Proportional to 1,065,947.20, 1,598,847.90 and 346,278.40

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Solution

The fourth proportional to 1,065,947.20, 1,598,847.90 and 346,278.40 is: 519,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,947.20 : 1,598,847.90 = 346,278.40 : x
  2. Step 2: Convert to fraction form
    1,065,947.20/1,598,847.90 = 346,278.40/x
  3. Step 3: Cross multiply
    1,065,947.20x = 1,598,847.90 × 346,278.40
  4. Step 4: Simplify right side
    1,065,947.20x = 553,646,492,655.36
  5. Step 5: Solve for x
    x = 553,646,492,655.36/1,065,947.20
  6. Step 6: Final answer
    x = 519,393.92

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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.