Home / 1,139,530.46-1,573,036.23-710,022.80

Finding the Fourth Proportional to 1,139,530.46, 1,573,036.23 and 710,022.80

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Solution

The fourth proportional to 1,139,530.46, 1,573,036.23 and 710,022.80 is: 980,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,530.46 : 1,573,036.23 = 710,022.80 : x
  2. Step 2: Convert to fraction form
    1,139,530.46/1,573,036.23 = 710,022.80/x
  3. Step 3: Cross multiply
    1,139,530.46x = 1,573,036.23 × 710,022.80
  4. Step 4: Simplify right side
    1,139,530.46x = 1,116,891,580,660.86
  5. Step 5: Solve for x
    x = 1,116,891,580,660.86/1,139,530.46
  6. Step 6: Final answer
    x = 980,133.16

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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.