Home / 1,282,071.96-1,769,140.32-709,099.86

Finding the Fourth Proportional to 1,282,071.96, 1,769,140.32 and 709,099.86

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Solution

The fourth proportional to 1,282,071.96, 1,769,140.32 and 709,099.86 is: 978,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,071.96 : 1,769,140.32 = 709,099.86 : x
  2. Step 2: Convert to fraction form
    1,282,071.96/1,769,140.32 = 709,099.86/x
  3. Step 3: Cross multiply
    1,282,071.96x = 1,769,140.32 × 709,099.86
  4. Step 4: Simplify right side
    1,282,071.96x = 1,254,497,153,232.36
  5. Step 5: Solve for x
    x = 1,254,497,153,232.36/1,282,071.96
  6. Step 6: Final answer
    x = 978,492.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.