Home / 1,051,569.80-1,577,354.70-386,635.40

Finding the Fourth Proportional to 1,051,569.80, 1,577,354.70 and 386,635.40

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Solution

The fourth proportional to 1,051,569.80, 1,577,354.70 and 386,635.40 is: 579,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,569.80 : 1,577,354.70 = 386,635.40 : x
  2. Step 2: Convert to fraction form
    1,051,569.80/1,577,354.70 = 386,635.40/x
  3. Step 3: Cross multiply
    1,051,569.80x = 1,577,354.70 × 386,635.40
  4. Step 4: Simplify right side
    1,051,569.80x = 609,861,165,376.38
  5. Step 5: Solve for x
    x = 609,861,165,376.38/1,051,569.80
  6. Step 6: Final answer
    x = 579,953.10

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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.