Home / 898,143.70-1,347,215.55-838,657.30

Finding the Fourth Proportional to 898,143.70, 1,347,215.55 and 838,657.30

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Solution

The fourth proportional to 898,143.70, 1,347,215.55 and 838,657.30 is: 1,257,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,143.70 : 1,347,215.55 = 838,657.30 : x
  2. Step 2: Convert to fraction form
    898,143.70/1,347,215.55 = 838,657.30/x
  3. Step 3: Cross multiply
    898,143.70x = 1,347,215.55 × 838,657.30
  4. Step 4: Simplify right side
    898,143.70x = 1,129,852,155,681.02
  5. Step 5: Solve for x
    x = 1,129,852,155,681.02/898,143.70
  6. Step 6: Final answer
    x = 1,257,985.95

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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.