Home / 1,528,597.32-2,109,490.49-840,298.18

Finding the Fourth Proportional to 1,528,597.32, 2,109,490.49 and 840,298.18

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Solution

The fourth proportional to 1,528,597.32, 2,109,490.49 and 840,298.18 is: 1,159,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,597.32 : 2,109,490.49 = 840,298.18 : x
  2. Step 2: Convert to fraction form
    1,528,597.32/2,109,490.49 = 840,298.18/x
  3. Step 3: Cross multiply
    1,528,597.32x = 2,109,490.49 × 840,298.18
  4. Step 4: Simplify right side
    1,528,597.32x = 1,772,601,014,323.68
  5. Step 5: Solve for x
    x = 1,772,601,014,323.68/1,528,597.32
  6. Step 6: Final answer
    x = 1,159,625.88

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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.