Home / 1,219,478.84-1,681,941.56-735,539.48

Finding the Fourth Proportional to 1,219,478.84, 1,681,941.56 and 735,539.48

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Solution

The fourth proportional to 1,219,478.84, 1,681,941.56 and 735,539.48 is: 1,014,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,478.84 : 1,681,941.56 = 735,539.48 : x
  2. Step 2: Convert to fraction form
    1,219,478.84/1,681,941.56 = 735,539.48/x
  3. Step 3: Cross multiply
    1,219,478.84x = 1,681,941.56 × 735,539.48
  4. Step 4: Simplify right side
    1,219,478.84x = 1,237,134,420,432.79
  5. Step 5: Solve for x
    x = 1,237,134,420,432.79/1,219,478.84
  6. Step 6: Final answer
    x = 1,014,477.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.