Home / 1,310,415.71-1,966,195.89-458,099.28

Finding the Fourth Proportional to 1,310,415.71, 1,966,195.89 and 458,099.28

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Solution

The fourth proportional to 1,310,415.71, 1,966,195.89 and 458,099.28 is: 687,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,415.71 : 1,966,195.89 = 458,099.28 : x
  2. Step 2: Convert to fraction form
    1,310,415.71/1,966,195.89 = 458,099.28/x
  3. Step 3: Cross multiply
    1,310,415.71x = 1,966,195.89 × 458,099.28
  4. Step 4: Simplify right side
    1,310,415.71x = 900,712,921,547.96
  5. Step 5: Solve for x
    x = 900,712,921,547.96/1,310,415.71
  6. Step 6: Final answer
    x = 687,349.00

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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.