Home / 1,405,895.72-2,108,407.48-507,220.64

Finding the Fourth Proportional to 1,405,895.72, 2,108,407.48 and 507,220.64

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Solution

The fourth proportional to 1,405,895.72, 2,108,407.48 and 507,220.64 is: 760,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,895.72 : 2,108,407.48 = 507,220.64 : x
  2. Step 2: Convert to fraction form
    1,405,895.72/2,108,407.48 = 507,220.64/x
  3. Step 3: Cross multiply
    1,405,895.72x = 2,108,407.48 × 507,220.64
  4. Step 4: Simplify right side
    1,405,895.72x = 1,069,427,791,386.39
  5. Step 5: Solve for x
    x = 1,069,427,791,386.39/1,405,895.72
  6. Step 6: Final answer
    x = 760,673.62

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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.