Home / 1,125,728.40-1,553,502.60-616,426.32

Finding the Fourth Proportional to 1,125,728.40, 1,553,502.60 and 616,426.32

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Solution

The fourth proportional to 1,125,728.40, 1,553,502.60 and 616,426.32 is: 850,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,728.40 : 1,553,502.60 = 616,426.32 : x
  2. Step 2: Convert to fraction form
    1,125,728.40/1,553,502.60 = 616,426.32/x
  3. Step 3: Cross multiply
    1,125,728.40x = 1,553,502.60 × 616,426.32
  4. Step 4: Simplify right side
    1,125,728.40x = 957,619,890,828.43
  5. Step 5: Solve for x
    x = 957,619,890,828.43/1,125,728.40
  6. Step 6: Final answer
    x = 850,666.90

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1.5x scale

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.