Home / 1,292,811.84-1,938,926.16-493,808.40

Finding the Fourth Proportional to 1,292,811.84, 1,938,926.16 and 493,808.40

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Solution

The fourth proportional to 1,292,811.84, 1,938,926.16 and 493,808.40 is: 740,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,811.84 : 1,938,926.16 = 493,808.40 : x
  2. Step 2: Convert to fraction form
    1,292,811.84/1,938,926.16 = 493,808.40/x
  3. Step 3: Cross multiply
    1,292,811.84x = 1,938,926.16 × 493,808.40
  4. Step 4: Simplify right side
    1,292,811.84x = 957,458,024,787.74
  5. Step 5: Solve for x
    x = 957,458,024,787.74/1,292,811.84
  6. Step 6: Final answer
    x = 740,601.22

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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.