Home / 1,685,657.44-2,528,488.80-688,385.44

Finding the Fourth Proportional to 1,685,657.44, 2,528,488.80 and 688,385.44

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Solution

The fourth proportional to 1,685,657.44, 2,528,488.80 and 688,385.44 is: 1,032,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,657.44 : 2,528,488.80 = 688,385.44 : x
  2. Step 2: Convert to fraction form
    1,685,657.44/2,528,488.80 = 688,385.44/x
  3. Step 3: Cross multiply
    1,685,657.44x = 2,528,488.80 × 688,385.44
  4. Step 4: Simplify right side
    1,685,657.44x = 1,740,574,875,123.07
  5. Step 5: Solve for x
    x = 1,740,574,875,123.07/1,685,657.44
  6. Step 6: Final answer
    x = 1,032,579.24

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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.