Home / 1,527,897.20-2,290,333.80-675,431.60

Finding the Fourth Proportional to 1,527,897.20, 2,290,333.80 and 675,431.60

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Solution

The fourth proportional to 1,527,897.20, 2,290,333.80 and 675,431.60 is: 1,012,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,897.20 : 2,290,333.80 = 675,431.60 : x
  2. Step 2: Convert to fraction form
    1,527,897.20/2,290,333.80 = 675,431.60/x
  3. Step 3: Cross multiply
    1,527,897.20x = 2,290,333.80 × 675,431.60
  4. Step 4: Simplify right side
    1,527,897.20x = 1,546,963,823,068.08
  5. Step 5: Solve for x
    x = 1,546,963,823,068.08/1,527,897.20
  6. Step 6: Final answer
    x = 1,012,479.00

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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.