Home / 1,213,697.20-1,818,140.10-1,064,106.40

Finding the Fourth Proportional to 1,213,697.20, 1,818,140.10 and 1,064,106.40

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Solution

The fourth proportional to 1,213,697.20, 1,818,140.10 and 1,064,106.40 is: 1,594,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,697.20 : 1,818,140.10 = 1,064,106.40 : x
  2. Step 2: Convert to fraction form
    1,213,697.20/1,818,140.10 = 1,064,106.40/x
  3. Step 3: Cross multiply
    1,213,697.20x = 1,818,140.10 × 1,064,106.40
  4. Step 4: Simplify right side
    1,213,697.20x = 1,934,694,516,506.64
  5. Step 5: Solve for x
    x = 1,934,694,516,506.64/1,213,697.20
  6. Step 6: Final answer
    x = 1,594,050.41

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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.