Home / 1,259,429.95-1,889,752.34-619,386.48

Finding the Fourth Proportional to 1,259,429.95, 1,889,752.34 and 619,386.48

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Solution

The fourth proportional to 1,259,429.95, 1,889,752.34 and 619,386.48 is: 929,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,429.95 : 1,889,752.34 = 619,386.48 : x
  2. Step 2: Convert to fraction form
    1,259,429.95/1,889,752.34 = 619,386.48/x
  3. Step 3: Cross multiply
    1,259,429.95x = 1,889,752.34 × 619,386.48
  4. Step 4: Simplify right side
    1,259,429.95x = 1,170,487,051,492.83
  5. Step 5: Solve for x
    x = 1,170,487,051,492.83/1,259,429.95
  6. Step 6: Final answer
    x = 929,378.45

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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.