Home / 1,370,147.40-2,055,350.70-372,875.40

Finding the Fourth Proportional to 1,370,147.40, 2,055,350.70 and 372,875.40

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Solution

The fourth proportional to 1,370,147.40, 2,055,350.70 and 372,875.40 is: 559,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,147.40 : 2,055,350.70 = 372,875.40 : x
  2. Step 2: Convert to fraction form
    1,370,147.40/2,055,350.70 = 372,875.40/x
  3. Step 3: Cross multiply
    1,370,147.40x = 2,055,350.70 × 372,875.40
  4. Step 4: Simplify right side
    1,370,147.40x = 766,389,714,402.78
  5. Step 5: Solve for x
    x = 766,389,714,402.78/1,370,147.40
  6. Step 6: Final answer
    x = 559,348.37

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Double scale
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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.