Home / 1,384,878.04-1,911,126.54-773,025.46

Finding the Fourth Proportional to 1,384,878.04, 1,911,126.54 and 773,025.46

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Solution

The fourth proportional to 1,384,878.04, 1,911,126.54 and 773,025.46 is: 1,066,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,878.04 : 1,911,126.54 = 773,025.46 : x
  2. Step 2: Convert to fraction form
    1,384,878.04/1,911,126.54 = 773,025.46/x
  3. Step 3: Cross multiply
    1,384,878.04x = 1,911,126.54 × 773,025.46
  4. Step 4: Simplify right side
    1,384,878.04x = 1,477,349,472,701.71
  5. Step 5: Solve for x
    x = 1,477,349,472,701.71/1,384,878.04
  6. Step 6: Final answer
    x = 1,066,772.26

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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.