Home / 874,912.60-1,312,368.90-748,941.40

Finding the Fourth Proportional to 874,912.60, 1,312,368.90 and 748,941.40

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Solution

The fourth proportional to 874,912.60, 1,312,368.90 and 748,941.40 is: 1,123,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,912.60 : 1,312,368.90 = 748,941.40 : x
  2. Step 2: Convert to fraction form
    874,912.60/1,312,368.90 = 748,941.40/x
  3. Step 3: Cross multiply
    874,912.60x = 1,312,368.90 × 748,941.40
  4. Step 4: Simplify right side
    874,912.60x = 982,887,401,282.46
  5. Step 5: Solve for x
    x = 982,887,401,282.46/874,912.60
  6. Step 6: Final answer
    x = 1,123,412.10

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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.