Home / 1,186,649.82-1,779,985.89-288,099.45

Finding the Fourth Proportional to 1,186,649.82, 1,779,985.89 and 288,099.45

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Solution

The fourth proportional to 1,186,649.82, 1,779,985.89 and 288,099.45 is: 432,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,649.82 : 1,779,985.89 = 288,099.45 : x
  2. Step 2: Convert to fraction form
    1,186,649.82/1,779,985.89 = 288,099.45/x
  3. Step 3: Cross multiply
    1,186,649.82x = 1,779,985.89 × 288,099.45
  4. Step 4: Simplify right side
    1,186,649.82x = 512,812,955,916.76
  5. Step 5: Solve for x
    x = 512,812,955,916.76/1,186,649.82
  6. Step 6: Final answer
    x = 432,151.88

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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.