Home / 1,804,386.77-2,490,053.66-988,621.38

Finding the Fourth Proportional to 1,804,386.77, 2,490,053.66 and 988,621.38

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Solution

The fourth proportional to 1,804,386.77, 2,490,053.66 and 988,621.38 is: 1,364,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,386.77 : 2,490,053.66 = 988,621.38 : x
  2. Step 2: Convert to fraction form
    1,804,386.77/2,490,053.66 = 988,621.38/x
  3. Step 3: Cross multiply
    1,804,386.77x = 2,490,053.66 × 988,621.38
  4. Step 4: Simplify right side
    1,804,386.77x = 2,461,720,280,680.14
  5. Step 5: Solve for x
    x = 2,461,720,280,680.14/1,804,386.77
  6. Step 6: Final answer
    x = 1,364,297.46

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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.