Home / 1,316,369.52-1,974,554.30-319,097.52

Finding the Fourth Proportional to 1,316,369.52, 1,974,554.30 and 319,097.52

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Solution

The fourth proportional to 1,316,369.52, 1,974,554.30 and 319,097.52 is: 478,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,369.52 : 1,974,554.30 = 319,097.52 : x
  2. Step 2: Convert to fraction form
    1,316,369.52/1,974,554.30 = 319,097.52/x
  3. Step 3: Cross multiply
    1,316,369.52x = 1,974,554.30 × 319,097.52
  4. Step 4: Simplify right side
    1,316,369.52x = 630,075,380,235.34
  5. Step 5: Solve for x
    x = 630,075,380,235.34/1,316,369.52
  6. Step 6: Final answer
    x = 478,646.28

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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.