Home / 1,340,674.90-2,011,012.35-710,818.90

Finding the Fourth Proportional to 1,340,674.90, 2,011,012.35 and 710,818.90

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Solution

The fourth proportional to 1,340,674.90, 2,011,012.35 and 710,818.90 is: 1,066,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,674.90 : 2,011,012.35 = 710,818.90 : x
  2. Step 2: Convert to fraction form
    1,340,674.90/2,011,012.35 = 710,818.90/x
  3. Step 3: Cross multiply
    1,340,674.90x = 2,011,012.35 × 710,818.90
  4. Step 4: Simplify right side
    1,340,674.90x = 1,429,465,586,513.42
  5. Step 5: Solve for x
    x = 1,429,465,586,513.42/1,340,674.90
  6. Step 6: Final answer
    x = 1,066,228.35

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Double scale
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Similar ratio
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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.