Home / 1,398,269.52-2,096,075.52-891,407.88

Finding the Fourth Proportional to 1,398,269.52, 2,096,075.52 and 891,407.88

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Solution

The fourth proportional to 1,398,269.52, 2,096,075.52 and 891,407.88 is: 1,336,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,269.52 : 2,096,075.52 = 891,407.88 : x
  2. Step 2: Convert to fraction form
    1,398,269.52/2,096,075.52 = 891,407.88/x
  3. Step 3: Cross multiply
    1,398,269.52x = 2,096,075.52 × 891,407.88
  4. Step 4: Simplify right side
    1,398,269.52x = 1,868,458,235,603.10
  5. Step 5: Solve for x
    x = 1,868,458,235,603.10/1,398,269.52
  6. Step 6: Final answer
    x = 1,336,264.72

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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.