Home / 1,316,341.25-1,974,585.74-369,638.16

Finding the Fourth Proportional to 1,316,341.25, 1,974,585.74 and 369,638.16

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Solution

The fourth proportional to 1,316,341.25, 1,974,585.74 and 369,638.16 is: 554,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,341.25 : 1,974,585.74 = 369,638.16 : x
  2. Step 2: Convert to fraction form
    1,316,341.25/1,974,585.74 = 369,638.16/x
  3. Step 3: Cross multiply
    1,316,341.25x = 1,974,585.74 × 369,638.16
  4. Step 4: Simplify right side
    1,316,341.25x = 729,882,230,442.95
  5. Step 5: Solve for x
    x = 729,882,230,442.95/1,316,341.25
  6. Step 6: Final answer
    x = 554,477.98

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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.