Home / 1,804,126.32-2,489,697.36-988,312.16

Finding the Fourth Proportional to 1,804,126.32, 2,489,697.36 and 988,312.16

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Solution

The fourth proportional to 1,804,126.32, 2,489,697.36 and 988,312.16 is: 1,363,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,126.32 : 2,489,697.36 = 988,312.16 : x
  2. Step 2: Convert to fraction form
    1,804,126.32/2,489,697.36 = 988,312.16/x
  3. Step 3: Cross multiply
    1,804,126.32x = 2,489,697.36 × 988,312.16
  4. Step 4: Simplify right side
    1,804,126.32x = 2,460,598,175,607.90
  5. Step 5: Solve for x
    x = 2,460,598,175,607.90/1,804,126.32
  6. Step 6: Final answer
    x = 1,363,872.45

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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.