Home / 1,357,408.28-2,036,374.80-515,894.40

Finding the Fourth Proportional to 1,357,408.28, 2,036,374.80 and 515,894.40

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Solution

The fourth proportional to 1,357,408.28, 2,036,374.80 and 515,894.40 is: 773,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,408.28 : 2,036,374.80 = 515,894.40 : x
  2. Step 2: Convert to fraction form
    1,357,408.28/2,036,374.80 = 515,894.40/x
  3. Step 3: Cross multiply
    1,357,408.28x = 2,036,374.80 × 515,894.40
  4. Step 4: Simplify right side
    1,357,408.28x = 1,050,554,355,621.12
  5. Step 5: Solve for x
    x = 1,050,554,355,621.12/1,357,408.28
  6. Step 6: Final answer
    x = 773,941.32

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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.