Home / 1,420,225.04-2,130,336.65-355,266.30

Finding the Fourth Proportional to 1,420,225.04, 2,130,336.65 and 355,266.30

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Solution

The fourth proportional to 1,420,225.04, 2,130,336.65 and 355,266.30 is: 532,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,225.04 : 2,130,336.65 = 355,266.30 : x
  2. Step 2: Convert to fraction form
    1,420,225.04/2,130,336.65 = 355,266.30/x
  3. Step 3: Cross multiply
    1,420,225.04x = 2,130,336.65 × 355,266.30
  4. Step 4: Simplify right side
    1,420,225.04x = 756,836,828,276.82
  5. Step 5: Solve for x
    x = 756,836,828,276.82/1,420,225.04
  6. Step 6: Final answer
    x = 532,899.23

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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.