Home / 1,370,390.40-2,055,715.20-373,118.40

Finding the Fourth Proportional to 1,370,390.40, 2,055,715.20 and 373,118.40

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Solution

The fourth proportional to 1,370,390.40, 2,055,715.20 and 373,118.40 is: 559,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,390.40 : 2,055,715.20 = 373,118.40 : x
  2. Step 2: Convert to fraction form
    1,370,390.40/2,055,715.20 = 373,118.40/x
  3. Step 3: Cross multiply
    1,370,390.40x = 2,055,715.20 × 373,118.40
  4. Step 4: Simplify right side
    1,370,390.40x = 767,025,166,279.68
  5. Step 5: Solve for x
    x = 767,025,166,279.68/1,370,390.40
  6. Step 6: Final answer
    x = 559,712.89

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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.