Home / 1,033,390.40-1,550,128.80-553,416.80

Finding the Fourth Proportional to 1,033,390.40, 1,550,128.80 and 553,416.80

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Solution

The fourth proportional to 1,033,390.40, 1,550,128.80 and 553,416.80 is: 830,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,390.40 : 1,550,128.80 = 553,416.80 : x
  2. Step 2: Convert to fraction form
    1,033,390.40/1,550,128.80 = 553,416.80/x
  3. Step 3: Cross multiply
    1,033,390.40x = 1,550,128.80 × 553,416.80
  4. Step 4: Simplify right side
    1,033,390.40x = 857,867,320,083.84
  5. Step 5: Solve for x
    x = 857,867,320,083.84/1,033,390.40
  6. Step 6: Final answer
    x = 830,148.34

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1.5x scale

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.