Home / 1,296,399.40-1,946,348.70-1,030,460.20

Finding the Fourth Proportional to 1,296,399.40, 1,946,348.70 and 1,030,460.20

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Solution

The fourth proportional to 1,296,399.40, 1,946,348.70 and 1,030,460.20 is: 1,547,080.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,399.40 : 1,946,348.70 = 1,030,460.20 : x
  2. Step 2: Convert to fraction form
    1,296,399.40/1,946,348.70 = 1,030,460.20/x
  3. Step 3: Cross multiply
    1,296,399.40x = 1,946,348.70 × 1,030,460.20
  4. Step 4: Simplify right side
    1,296,399.40x = 2,005,634,870,671.74
  5. Step 5: Solve for x
    x = 2,005,634,870,671.74/1,296,399.40
  6. Step 6: Final answer
    x = 1,547,080.99

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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.