Home / 1,405,897.02-2,108,409.35-507,221.91

Finding the Fourth Proportional to 1,405,897.02, 2,108,409.35 and 507,221.91

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Solution

The fourth proportional to 1,405,897.02, 2,108,409.35 and 507,221.91 is: 760,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,897.02 : 2,108,409.35 = 507,221.91 : x
  2. Step 2: Convert to fraction form
    1,405,897.02/2,108,409.35 = 507,221.91/x
  3. Step 3: Cross multiply
    1,405,897.02x = 2,108,409.35 × 507,221.91
  4. Step 4: Simplify right side
    1,405,897.02x = 1,069,431,415,032.75
  5. Step 5: Solve for x
    x = 1,069,431,415,032.75/1,405,897.02
  6. Step 6: Final answer
    x = 760,675.50

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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.