Home / 1,376,000.20-2,064,000.30-837,123.40

Finding the Fourth Proportional to 1,376,000.20, 2,064,000.30 and 837,123.40

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Solution

The fourth proportional to 1,376,000.20, 2,064,000.30 and 837,123.40 is: 1,255,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,000.20 : 2,064,000.30 = 837,123.40 : x
  2. Step 2: Convert to fraction form
    1,376,000.20/2,064,000.30 = 837,123.40/x
  3. Step 3: Cross multiply
    1,376,000.20x = 2,064,000.30 × 837,123.40
  4. Step 4: Simplify right side
    1,376,000.20x = 1,727,822,948,737.02
  5. Step 5: Solve for x
    x = 1,727,822,948,737.02/1,376,000.20
  6. Step 6: Final answer
    x = 1,255,685.10

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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.