Home / 1,048,137.80-1,572,206.70-971,155.40

Finding the Fourth Proportional to 1,048,137.80, 1,572,206.70 and 971,155.40

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Solution

The fourth proportional to 1,048,137.80, 1,572,206.70 and 971,155.40 is: 1,456,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,137.80 : 1,572,206.70 = 971,155.40 : x
  2. Step 2: Convert to fraction form
    1,048,137.80/1,572,206.70 = 971,155.40/x
  3. Step 3: Cross multiply
    1,048,137.80x = 1,572,206.70 × 971,155.40
  4. Step 4: Simplify right side
    1,048,137.80x = 1,526,857,026,621.18
  5. Step 5: Solve for x
    x = 1,526,857,026,621.18/1,048,137.80
  6. Step 6: Final answer
    x = 1,456,733.10

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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.