Home / 1,578,915.81-2,368,558.80-553,932.72

Finding the Fourth Proportional to 1,578,915.81, 2,368,558.80 and 553,932.72

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Solution

The fourth proportional to 1,578,915.81, 2,368,558.80 and 553,932.72 is: 830,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,915.81 : 2,368,558.80 = 553,932.72 : x
  2. Step 2: Convert to fraction form
    1,578,915.81/2,368,558.80 = 553,932.72/x
  3. Step 3: Cross multiply
    1,578,915.81x = 2,368,558.80 × 553,932.72
  4. Step 4: Simplify right side
    1,578,915.81x = 1,312,022,218,563.94
  5. Step 5: Solve for x
    x = 1,312,022,218,563.94/1,578,915.81
  6. Step 6: Final answer
    x = 830,964.01

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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.