Home / 1,395,439.66-2,091,830.88-448,146.08

Finding the Fourth Proportional to 1,395,439.66, 2,091,830.88 and 448,146.08

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Solution

The fourth proportional to 1,395,439.66, 2,091,830.88 and 448,146.08 is: 671,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,439.66 : 2,091,830.88 = 448,146.08 : x
  2. Step 2: Convert to fraction form
    1,395,439.66/2,091,830.88 = 448,146.08/x
  3. Step 3: Cross multiply
    1,395,439.66x = 2,091,830.88 × 448,146.08
  4. Step 4: Simplify right side
    1,395,439.66x = 937,445,808,894.95
  5. Step 5: Solve for x
    x = 937,445,808,894.95/1,395,439.66
  6. Step 6: Final answer
    x = 671,792.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.