Home / 1,474,707.47-2,035,090.98-830,129.31

Finding the Fourth Proportional to 1,474,707.47, 2,035,090.98 and 830,129.31

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Solution

The fourth proportional to 1,474,707.47, 2,035,090.98 and 830,129.31 is: 1,145,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,707.47 : 2,035,090.98 = 830,129.31 : x
  2. Step 2: Convert to fraction form
    1,474,707.47/2,035,090.98 = 830,129.31/x
  3. Step 3: Cross multiply
    1,474,707.47x = 2,035,090.98 × 830,129.31
  4. Step 4: Simplify right side
    1,474,707.47x = 1,689,388,671,014.62
  5. Step 5: Solve for x
    x = 1,689,388,671,014.62/1,474,707.47
  6. Step 6: Final answer
    x = 1,145,575.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.