Home / 1,316,022.80-1,816,117.26-712,410.80

Finding the Fourth Proportional to 1,316,022.80, 1,816,117.26 and 712,410.80

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Solution

The fourth proportional to 1,316,022.80, 1,816,117.26 and 712,410.80 is: 983,130.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,022.80 : 1,816,117.26 = 712,410.80 : x
  2. Step 2: Convert to fraction form
    1,316,022.80/1,816,117.26 = 712,410.80/x
  3. Step 3: Cross multiply
    1,316,022.80x = 1,816,117.26 × 712,410.80
  4. Step 4: Simplify right side
    1,316,022.80x = 1,293,821,550,090.41
  5. Step 5: Solve for x
    x = 1,293,821,550,090.41/1,316,022.80
  6. Step 6: Final answer
    x = 983,130.04

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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.