Home / 1,205,493.10-1,808,308.89-437,158.07

Finding the Fourth Proportional to 1,205,493.10, 1,808,308.89 and 437,158.07

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Solution

The fourth proportional to 1,205,493.10, 1,808,308.89 and 437,158.07 is: 655,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,493.10 : 1,808,308.89 = 437,158.07 : x
  2. Step 2: Convert to fraction form
    1,205,493.10/1,808,308.89 = 437,158.07/x
  3. Step 3: Cross multiply
    1,205,493.10x = 1,808,308.89 × 437,158.07
  4. Step 4: Simplify right side
    1,205,493.10x = 790,516,824,316.24
  5. Step 5: Solve for x
    x = 790,516,824,316.24/1,205,493.10
  6. Step 6: Final answer
    x = 655,762.21

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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.