Home / 1,020,231.40-1,528,503.90-872,775.40

Finding the Fourth Proportional to 1,020,231.40, 1,528,503.90 and 872,775.40

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Solution

The fourth proportional to 1,020,231.40, 1,528,503.90 and 872,775.40 is: 1,307,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,231.40 : 1,528,503.90 = 872,775.40 : x
  2. Step 2: Convert to fraction form
    1,020,231.40/1,528,503.90 = 872,775.40/x
  3. Step 3: Cross multiply
    1,020,231.40x = 1,528,503.90 × 872,775.40
  4. Step 4: Simplify right side
    1,020,231.40x = 1,334,040,602,724.06
  5. Step 5: Solve for x
    x = 1,334,040,602,724.06/1,020,231.40
  6. Step 6: Final answer
    x = 1,307,586.30

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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.