Home / 1,490,292-2,056,871.35-878,409.04

Finding the Fourth Proportional to 1,490,292, 2,056,871.35 and 878,409.04

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Solution

The fourth proportional to 1,490,292, 2,056,871.35 and 878,409.04 is: 1,212,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,292 : 2,056,871.35 = 878,409.04 : x
  2. Step 2: Convert to fraction form
    1,490,292/2,056,871.35 = 878,409.04/x
  3. Step 3: Cross multiply
    1,490,292x = 2,056,871.35 × 878,409.04
  4. Step 4: Simplify right side
    1,490,292x = 1,806,774,387,957.00
  5. Step 5: Solve for x
    x = 1,806,774,387,957.00/1,490,292
  6. Step 6: Final answer
    x = 1,212,362.67

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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.