Home / 1,020,869.25-1,531,187.16-272,973.57

Finding the Fourth Proportional to 1,020,869.25, 1,531,187.16 and 272,973.57

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Solution

The fourth proportional to 1,020,869.25, 1,531,187.16 and 272,973.57 is: 409,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,869.25 : 1,531,187.16 = 272,973.57 : x
  2. Step 2: Convert to fraction form
    1,020,869.25/1,531,187.16 = 272,973.57/x
  3. Step 3: Cross multiply
    1,020,869.25x = 1,531,187.16 × 272,973.57
  4. Step 4: Simplify right side
    1,020,869.25x = 417,973,624,038.49
  5. Step 5: Solve for x
    x = 417,973,624,038.49/1,020,869.25
  6. Step 6: Final answer
    x = 409,429.14

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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.