Home / 1,097,061.40-1,646,564.10-647,219.80

Finding the Fourth Proportional to 1,097,061.40, 1,646,564.10 and 647,219.80

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Solution

The fourth proportional to 1,097,061.40, 1,646,564.10 and 647,219.80 is: 971,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,061.40 : 1,646,564.10 = 647,219.80 : x
  2. Step 2: Convert to fraction form
    1,097,061.40/1,646,564.10 = 647,219.80/x
  3. Step 3: Cross multiply
    1,097,061.40x = 1,646,564.10 × 647,219.80
  4. Step 4: Simplify right side
    1,097,061.40x = 1,065,688,887,489.18
  5. Step 5: Solve for x
    x = 1,065,688,887,489.18/1,097,061.40
  6. Step 6: Final answer
    x = 971,403.14

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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.