Home / 1,804,724.95-2,490,477.43-988,889.20

Finding the Fourth Proportional to 1,804,724.95, 2,490,477.43 and 988,889.20

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Solution

The fourth proportional to 1,804,724.95, 2,490,477.43 and 988,889.20 is: 1,364,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,724.95 : 2,490,477.43 = 988,889.20 : x
  2. Step 2: Convert to fraction form
    1,804,724.95/2,490,477.43 = 988,889.20/x
  3. Step 3: Cross multiply
    1,804,724.95x = 2,490,477.43 × 988,889.20
  4. Step 4: Simplify right side
    1,804,724.95x = 2,462,806,233,370.76
  5. Step 5: Solve for x
    x = 2,462,806,233,370.76/1,804,724.95
  6. Step 6: Final answer
    x = 1,364,643.53

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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.