Home / 1,390,141.59-2,084,809.80-417,466.68

Finding the Fourth Proportional to 1,390,141.59, 2,084,809.80 and 417,466.68

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Solution

The fourth proportional to 1,390,141.59, 2,084,809.80 and 417,466.68 is: 626,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,141.59 : 2,084,809.80 = 417,466.68 : x
  2. Step 2: Convert to fraction form
    1,390,141.59/2,084,809.80 = 417,466.68/x
  3. Step 3: Cross multiply
    1,390,141.59x = 2,084,809.80 × 417,466.68
  4. Step 4: Simplify right side
    1,390,141.59x = 870,338,625,637.46
  5. Step 5: Solve for x
    x = 870,338,625,637.46/1,390,141.59
  6. Step 6: Final answer
    x = 626,079.12

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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.