Home / 1,190,637.90-1,643,033.16-707,190.21

Finding the Fourth Proportional to 1,190,637.90, 1,643,033.16 and 707,190.21

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Solution

The fourth proportional to 1,190,637.90, 1,643,033.16 and 707,190.21 is: 975,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,637.90 : 1,643,033.16 = 707,190.21 : x
  2. Step 2: Convert to fraction form
    1,190,637.90/1,643,033.16 = 707,190.21/x
  3. Step 3: Cross multiply
    1,190,637.90x = 1,643,033.16 × 707,190.21
  4. Step 4: Simplify right side
    1,190,637.90x = 1,161,936,965,457.36
  5. Step 5: Solve for x
    x = 1,161,936,965,457.36/1,190,637.90
  6. Step 6: Final answer
    x = 975,894.49

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1.5x scale

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.