Home / 1,048,257.40-1,572,386.10-670,343.80

Finding the Fourth Proportional to 1,048,257.40, 1,572,386.10 and 670,343.80

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Solution

The fourth proportional to 1,048,257.40, 1,572,386.10 and 670,343.80 is: 1,005,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,257.40 : 1,572,386.10 = 670,343.80 : x
  2. Step 2: Convert to fraction form
    1,048,257.40/1,572,386.10 = 670,343.80/x
  3. Step 3: Cross multiply
    1,048,257.40x = 1,572,386.10 × 670,343.80
  4. Step 4: Simplify right side
    1,048,257.40x = 1,054,039,273,341.18
  5. Step 5: Solve for x
    x = 1,054,039,273,341.18/1,048,257.40
  6. Step 6: Final answer
    x = 1,005,515.70

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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.