Home / 1,575,128.43-2,363,953.82-817,187.13

Finding the Fourth Proportional to 1,575,128.43, 2,363,953.82 and 817,187.13

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Solution

The fourth proportional to 1,575,128.43, 2,363,953.82 and 817,187.13 is: 1,226,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,128.43 : 2,363,953.82 = 817,187.13 : x
  2. Step 2: Convert to fraction form
    1,575,128.43/2,363,953.82 = 817,187.13/x
  3. Step 3: Cross multiply
    1,575,128.43x = 2,363,953.82 × 817,187.13
  4. Step 4: Simplify right side
    1,575,128.43x = 1,931,792,633,532.40
  5. Step 5: Solve for x
    x = 1,931,792,633,532.40/1,575,128.43
  6. Step 6: Final answer
    x = 1,226,435.00

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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.