Home / 1,277,022.16-1,915,477.88-317,457.68

Finding the Fourth Proportional to 1,277,022.16, 1,915,477.88 and 317,457.68

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Solution

The fourth proportional to 1,277,022.16, 1,915,477.88 and 317,457.68 is: 476,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,022.16 : 1,915,477.88 = 317,457.68 : x
  2. Step 2: Convert to fraction form
    1,277,022.16/1,915,477.88 = 317,457.68/x
  3. Step 3: Cross multiply
    1,277,022.16x = 1,915,477.88 × 317,457.68
  4. Step 4: Simplify right side
    1,277,022.16x = 608,083,163,486.00
  5. Step 5: Solve for x
    x = 608,083,163,486.00/1,277,022.16
  6. Step 6: Final answer
    x = 476,172.76

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1.5x scale

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.