Home / 1,487,365.92-2,051,809.56-971,421.84

Finding the Fourth Proportional to 1,487,365.92, 2,051,809.56 and 971,421.84

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Solution

The fourth proportional to 1,487,365.92, 2,051,809.56 and 971,421.84 is: 1,340,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,365.92 : 2,051,809.56 = 971,421.84 : x
  2. Step 2: Convert to fraction form
    1,487,365.92/2,051,809.56 = 971,421.84/x
  3. Step 3: Cross multiply
    1,487,365.92x = 2,051,809.56 × 971,421.84
  4. Step 4: Simplify right side
    1,487,365.92x = 1,993,172,618,104.79
  5. Step 5: Solve for x
    x = 1,993,172,618,104.79/1,487,365.92
  6. Step 6: Final answer
    x = 1,340,068.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.