Home / 1,316,442.80-1,974,518.40-369,909.20

Finding the Fourth Proportional to 1,316,442.80, 1,974,518.40 and 369,909.20

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Solution

The fourth proportional to 1,316,442.80, 1,974,518.40 and 369,909.20 is: 554,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,442.80 : 1,974,518.40 = 369,909.20 : x
  2. Step 2: Convert to fraction form
    1,316,442.80/1,974,518.40 = 369,909.20/x
  3. Step 3: Cross multiply
    1,316,442.80x = 1,974,518.40 × 369,909.20
  4. Step 4: Simplify right side
    1,316,442.80x = 730,392,521,729.28
  5. Step 5: Solve for x
    x = 730,392,521,729.28/1,316,442.80
  6. Step 6: Final answer
    x = 554,822.83

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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.