Home / 1,989,045.60-2,982,693.60-790,569.60

Finding the Fourth Proportional to 1,989,045.60, 2,982,693.60 and 790,569.60

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Solution

The fourth proportional to 1,989,045.60, 2,982,693.60 and 790,569.60 is: 1,185,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,045.60 : 2,982,693.60 = 790,569.60 : x
  2. Step 2: Convert to fraction form
    1,989,045.60/2,982,693.60 = 790,569.60/x
  3. Step 3: Cross multiply
    1,989,045.60x = 2,982,693.60 × 790,569.60
  4. Step 4: Simplify right side
    1,989,045.60x = 2,358,026,886,274.56
  5. Step 5: Solve for x
    x = 2,358,026,886,274.56/1,989,045.60
  6. Step 6: Final answer
    x = 1,185,506.70

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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.