Home / 1,209,715.49-1,814,577.99-490,070.81

Finding the Fourth Proportional to 1,209,715.49, 1,814,577.99 and 490,070.81

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Solution

The fourth proportional to 1,209,715.49, 1,814,577.99 and 490,070.81 is: 735,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,715.49 : 1,814,577.99 = 490,070.81 : x
  2. Step 2: Convert to fraction form
    1,209,715.49/1,814,577.99 = 490,070.81/x
  3. Step 3: Cross multiply
    1,209,715.49x = 1,814,577.99 × 490,070.81
  4. Step 4: Simplify right side
    1,209,715.49x = 889,271,693,844.23
  5. Step 5: Solve for x
    x = 889,271,693,844.23/1,209,715.49
  6. Step 6: Final answer
    x = 735,108.13

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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.