Home / 1,021,038-1,528,881.48-719,888.64

Finding the Fourth Proportional to 1,021,038, 1,528,881.48 and 719,888.64

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Solution

The fourth proportional to 1,021,038, 1,528,881.48 and 719,888.64 is: 1,077,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,038 : 1,528,881.48 = 719,888.64 : x
  2. Step 2: Convert to fraction form
    1,021,038/1,528,881.48 = 719,888.64/x
  3. Step 3: Cross multiply
    1,021,038x = 1,528,881.48 × 719,888.64
  4. Step 4: Simplify right side
    1,021,038x = 1,100,624,409,358.39
  5. Step 5: Solve for x
    x = 1,100,624,409,358.39/1,021,038
  6. Step 6: Final answer
    x = 1,077,946.57

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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.