Home / 1,447,828.40-2,172,001.80-606,465.20

Finding the Fourth Proportional to 1,447,828.40, 2,172,001.80 and 606,465.20

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Solution

The fourth proportional to 1,447,828.40, 2,172,001.80 and 606,465.20 is: 909,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,828.40 : 2,172,001.80 = 606,465.20 : x
  2. Step 2: Convert to fraction form
    1,447,828.40/2,172,001.80 = 606,465.20/x
  3. Step 3: Cross multiply
    1,447,828.40x = 2,172,001.80 × 606,465.20
  4. Step 4: Simplify right side
    1,447,828.40x = 1,317,243,506,037.36
  5. Step 5: Solve for x
    x = 1,317,243,506,037.36/1,447,828.40
  6. Step 6: Final answer
    x = 909,806.37

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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.