Home / 1,145,316.90-1,718,196.70-435,289.58

Finding the Fourth Proportional to 1,145,316.90, 1,718,196.70 and 435,289.58

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Solution

The fourth proportional to 1,145,316.90, 1,718,196.70 and 435,289.58 is: 653,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,316.90 : 1,718,196.70 = 435,289.58 : x
  2. Step 2: Convert to fraction form
    1,145,316.90/1,718,196.70 = 435,289.58/x
  3. Step 3: Cross multiply
    1,145,316.90x = 1,718,196.70 × 435,289.58
  4. Step 4: Simplify right side
    1,145,316.90x = 747,913,119,900.39
  5. Step 5: Solve for x
    x = 747,913,119,900.39/1,145,316.90
  6. Step 6: Final answer
    x = 653,018.50

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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.