Home / 1,445,869.60-2,168,804.40-914,428.60

Finding the Fourth Proportional to 1,445,869.60, 2,168,804.40 and 914,428.60

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Solution

The fourth proportional to 1,445,869.60, 2,168,804.40 and 914,428.60 is: 1,371,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,869.60 : 2,168,804.40 = 914,428.60 : x
  2. Step 2: Convert to fraction form
    1,445,869.60/2,168,804.40 = 914,428.60/x
  3. Step 3: Cross multiply
    1,445,869.60x = 2,168,804.40 × 914,428.60
  4. Step 4: Simplify right side
    1,445,869.60x = 1,983,216,771,165.84
  5. Step 5: Solve for x
    x = 1,983,216,771,165.84/1,445,869.60
  6. Step 6: Final answer
    x = 1,371,642.90

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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.