Home / 1,398,802.20-2,097,689.22-500,001.40

Finding the Fourth Proportional to 1,398,802.20, 2,097,689.22 and 500,001.40

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Solution

The fourth proportional to 1,398,802.20, 2,097,689.22 and 500,001.40 is: 749,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,802.20 : 2,097,689.22 = 500,001.40 : x
  2. Step 2: Convert to fraction form
    1,398,802.20/2,097,689.22 = 500,001.40/x
  3. Step 3: Cross multiply
    1,398,802.20x = 2,097,689.22 × 500,001.40
  4. Step 4: Simplify right side
    1,398,802.20x = 1,048,847,546,764.91
  5. Step 5: Solve for x
    x = 1,048,847,546,764.91/1,398,802.20
  6. Step 6: Final answer
    x = 749,818.34

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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.