Home / 1,423,033.68-1,963,823.22-778,481.04

Finding the Fourth Proportional to 1,423,033.68, 1,963,823.22 and 778,481.04

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Solution

The fourth proportional to 1,423,033.68, 1,963,823.22 and 778,481.04 is: 1,074,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,033.68 : 1,963,823.22 = 778,481.04 : x
  2. Step 2: Convert to fraction form
    1,423,033.68/1,963,823.22 = 778,481.04/x
  3. Step 3: Cross multiply
    1,423,033.68x = 1,963,823.22 × 778,481.04
  4. Step 4: Simplify right side
    1,423,033.68x = 1,528,799,142,681.75
  5. Step 5: Solve for x
    x = 1,528,799,142,681.75/1,423,033.68
  6. Step 6: Final answer
    x = 1,074,323.93

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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.