Home / 1,205,946.70-1,808,920.05-307,386.70

Finding the Fourth Proportional to 1,205,946.70, 1,808,920.05 and 307,386.70

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Solution

The fourth proportional to 1,205,946.70, 1,808,920.05 and 307,386.70 is: 461,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,946.70 : 1,808,920.05 = 307,386.70 : x
  2. Step 2: Convert to fraction form
    1,205,946.70/1,808,920.05 = 307,386.70/x
  3. Step 3: Cross multiply
    1,205,946.70x = 1,808,920.05 × 307,386.70
  4. Step 4: Simplify right side
    1,205,946.70x = 556,037,964,733.34
  5. Step 5: Solve for x
    x = 556,037,964,733.34/1,205,946.70
  6. Step 6: Final answer
    x = 461,080.05

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Double scale
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Similar ratio
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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.