Home / 1,420,206.60-2,130,320.70-473,575.80

Finding the Fourth Proportional to 1,420,206.60, 2,130,320.70 and 473,575.80

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Solution

The fourth proportional to 1,420,206.60, 2,130,320.70 and 473,575.80 is: 710,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,206.60 : 2,130,320.70 = 473,575.80 : x
  2. Step 2: Convert to fraction form
    1,420,206.60/2,130,320.70 = 473,575.80/x
  3. Step 3: Cross multiply
    1,420,206.60x = 2,130,320.70 × 473,575.80
  4. Step 4: Simplify right side
    1,420,206.60x = 1,008,868,329,759.06
  5. Step 5: Solve for x
    x = 1,008,868,329,759.06/1,420,206.60
  6. Step 6: Final answer
    x = 710,367.30

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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.