Home / 1,130,411.10-1,695,616.65-829,261.20

Finding the Fourth Proportional to 1,130,411.10, 1,695,616.65 and 829,261.20

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Solution

The fourth proportional to 1,130,411.10, 1,695,616.65 and 829,261.20 is: 1,243,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,411.10 : 1,695,616.65 = 829,261.20 : x
  2. Step 2: Convert to fraction form
    1,130,411.10/1,695,616.65 = 829,261.20/x
  3. Step 3: Cross multiply
    1,130,411.10x = 1,695,616.65 × 829,261.20
  4. Step 4: Simplify right side
    1,130,411.10x = 1,406,109,097,918.98
  5. Step 5: Solve for x
    x = 1,406,109,097,918.98/1,130,411.10
  6. Step 6: Final answer
    x = 1,243,891.80

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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.