Home / 1,130,484.64-1,692,034.80-830,885.92

Finding the Fourth Proportional to 1,130,484.64, 1,692,034.80 and 830,885.92

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Solution

The fourth proportional to 1,130,484.64, 1,692,034.80 and 830,885.92 is: 1,243,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,484.64 : 1,692,034.80 = 830,885.92 : x
  2. Step 2: Convert to fraction form
    1,130,484.64/1,692,034.80 = 830,885.92/x
  3. Step 3: Cross multiply
    1,130,484.64x = 1,692,034.80 × 830,885.92
  4. Step 4: Simplify right side
    1,130,484.64x = 1,405,887,891,470.02
  5. Step 5: Solve for x
    x = 1,405,887,891,470.02/1,130,484.64
  6. Step 6: Final answer
    x = 1,243,615.21

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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.