Home / 1,405,087.08-2,107,636.05-340,127.40

Finding the Fourth Proportional to 1,405,087.08, 2,107,636.05 and 340,127.40

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Solution

The fourth proportional to 1,405,087.08, 2,107,636.05 and 340,127.40 is: 510,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,087.08 : 2,107,636.05 = 340,127.40 : x
  2. Step 2: Convert to fraction form
    1,405,087.08/2,107,636.05 = 340,127.40/x
  3. Step 3: Cross multiply
    1,405,087.08x = 2,107,636.05 × 340,127.40
  4. Step 4: Simplify right side
    1,405,087.08x = 716,864,769,832.77
  5. Step 5: Solve for x
    x = 716,864,769,832.77/1,405,087.08
  6. Step 6: Final answer
    x = 510,192.41

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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.