Home / 1,363,426.20-2,045,139.30-403,916.40

Finding the Fourth Proportional to 1,363,426.20, 2,045,139.30 and 403,916.40

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Solution

The fourth proportional to 1,363,426.20, 2,045,139.30 and 403,916.40 is: 605,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,426.20 : 2,045,139.30 = 403,916.40 : x
  2. Step 2: Convert to fraction form
    1,363,426.20/2,045,139.30 = 403,916.40/x
  3. Step 3: Cross multiply
    1,363,426.20x = 2,045,139.30 × 403,916.40
  4. Step 4: Simplify right side
    1,363,426.20x = 826,065,303,554.52
  5. Step 5: Solve for x
    x = 826,065,303,554.52/1,363,426.20
  6. Step 6: Final answer
    x = 605,874.60

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Double scale
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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.