Home / 1,022,547.12-1,533,824.64-312,572.40

Finding the Fourth Proportional to 1,022,547.12, 1,533,824.64 and 312,572.40

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Solution

The fourth proportional to 1,022,547.12, 1,533,824.64 and 312,572.40 is: 468,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,547.12 : 1,533,824.64 = 312,572.40 : x
  2. Step 2: Convert to fraction form
    1,022,547.12/1,533,824.64 = 312,572.40/x
  3. Step 3: Cross multiply
    1,022,547.12x = 1,533,824.64 × 312,572.40
  4. Step 4: Simplify right side
    1,022,547.12x = 479,431,248,903.94
  5. Step 5: Solve for x
    x = 479,431,248,903.94/1,022,547.12
  6. Step 6: Final answer
    x = 468,859.81

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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.