Home / 1,657,979.10-2,488,280.85-647,585.10

Finding the Fourth Proportional to 1,657,979.10, 2,488,280.85 and 647,585.10

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Solution

The fourth proportional to 1,657,979.10, 2,488,280.85 and 647,585.10 is: 971,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,979.10 : 2,488,280.85 = 647,585.10 : x
  2. Step 2: Convert to fraction form
    1,657,979.10/2,488,280.85 = 647,585.10/x
  3. Step 3: Cross multiply
    1,657,979.10x = 2,488,280.85 × 647,585.10
  4. Step 4: Simplify right side
    1,657,979.10x = 1,611,373,603,075.34
  5. Step 5: Solve for x
    x = 1,611,373,603,075.34/1,657,979.10
  6. Step 6: Final answer
    x = 971,890.18

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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.