Home / 1,330,638.35-1,995,928.71-371,068.35

Finding the Fourth Proportional to 1,330,638.35, 1,995,928.71 and 371,068.35

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Solution

The fourth proportional to 1,330,638.35, 1,995,928.71 and 371,068.35 is: 556,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,638.35 : 1,995,928.71 = 371,068.35 : x
  2. Step 2: Convert to fraction form
    1,330,638.35/1,995,928.71 = 371,068.35/x
  3. Step 3: Cross multiply
    1,330,638.35x = 1,995,928.71 × 371,068.35
  4. Step 4: Simplify right side
    1,330,638.35x = 740,625,976,271.81
  5. Step 5: Solve for x
    x = 740,625,976,271.81/1,330,638.35
  6. Step 6: Final answer
    x = 556,594.49

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Double scale
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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.