Home / 1,369,946.70-2,054,920.05-423,315.90

Finding the Fourth Proportional to 1,369,946.70, 2,054,920.05 and 423,315.90

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Solution

The fourth proportional to 1,369,946.70, 2,054,920.05 and 423,315.90 is: 634,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,946.70 : 2,054,920.05 = 423,315.90 : x
  2. Step 2: Convert to fraction form
    1,369,946.70/2,054,920.05 = 423,315.90/x
  3. Step 3: Cross multiply
    1,369,946.70x = 2,054,920.05 × 423,315.90
  4. Step 4: Simplify right side
    1,369,946.70x = 869,880,330,393.80
  5. Step 5: Solve for x
    x = 869,880,330,393.80/1,369,946.70
  6. Step 6: Final answer
    x = 634,973.85

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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.