Home / 1,069,085.60-1,475,339.80-585,640.12

Finding the Fourth Proportional to 1,069,085.60, 1,475,339.80 and 585,640.12

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Solution

The fourth proportional to 1,069,085.60, 1,475,339.80 and 585,640.12 is: 808,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,085.60 : 1,475,339.80 = 585,640.12 : x
  2. Step 2: Convert to fraction form
    1,069,085.60/1,475,339.80 = 585,640.12/x
  3. Step 3: Cross multiply
    1,069,085.60x = 1,475,339.80 × 585,640.12
  4. Step 4: Simplify right side
    1,069,085.60x = 864,018,177,512.78
  5. Step 5: Solve for x
    x = 864,018,177,512.78/1,069,085.60
  6. Step 6: Final answer
    x = 808,184.28

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Double scale
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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.