Home / 1,445,123.40-2,167,685.10-910,912.20

Finding the Fourth Proportional to 1,445,123.40, 2,167,685.10 and 910,912.20

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Solution

The fourth proportional to 1,445,123.40, 2,167,685.10 and 910,912.20 is: 1,366,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,123.40 : 2,167,685.10 = 910,912.20 : x
  2. Step 2: Convert to fraction form
    1,445,123.40/2,167,685.10 = 910,912.20/x
  3. Step 3: Cross multiply
    1,445,123.40x = 2,167,685.10 × 910,912.20
  4. Step 4: Simplify right side
    1,445,123.40x = 1,974,570,803,348.22
  5. Step 5: Solve for x
    x = 1,974,570,803,348.22/1,445,123.40
  6. Step 6: Final answer
    x = 1,366,368.30

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Similar ratio
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1.5x scale

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.