Home / 1,022,355.07-1,533,808.61-312,363.74

Finding the Fourth Proportional to 1,022,355.07, 1,533,808.61 and 312,363.74

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Solution

The fourth proportional to 1,022,355.07, 1,533,808.61 and 312,363.74 is: 468,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,355.07 : 1,533,808.61 = 312,363.74 : x
  2. Step 2: Convert to fraction form
    1,022,355.07/1,533,808.61 = 312,363.74/x
  3. Step 3: Cross multiply
    1,022,355.07x = 1,533,808.61 × 312,363.74
  4. Step 4: Simplify right side
    1,022,355.07x = 479,106,197,307.87
  5. Step 5: Solve for x
    x = 479,106,197,307.87/1,022,355.07
  6. Step 6: Final answer
    x = 468,629.94

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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.