Home / 1,166,688.40-1,608,802.34-921,266.00

Finding the Fourth Proportional to 1,166,688.40, 1,608,802.34 and 921,266.00

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Solution

The fourth proportional to 1,166,688.40, 1,608,802.34 and 921,266.00 is: 1,270,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,688.40 : 1,608,802.34 = 921,266.00 : x
  2. Step 2: Convert to fraction form
    1,166,688.40/1,608,802.34 = 921,266.00/x
  3. Step 3: Cross multiply
    1,166,688.40x = 1,608,802.34 × 921,266.00
  4. Step 4: Simplify right side
    1,166,688.40x = 1,482,134,883,912.10
  5. Step 5: Solve for x
    x = 1,482,134,883,912.10/1,166,688.40
  6. Step 6: Final answer
    x = 1,270,377.67

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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.