Home / 1,020,325.56-1,408,006.98-555,181.35

Finding the Fourth Proportional to 1,020,325.56, 1,408,006.98 and 555,181.35

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Solution

The fourth proportional to 1,020,325.56, 1,408,006.98 and 555,181.35 is: 766,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,325.56 : 1,408,006.98 = 555,181.35 : x
  2. Step 2: Convert to fraction form
    1,020,325.56/1,408,006.98 = 555,181.35/x
  3. Step 3: Cross multiply
    1,020,325.56x = 1,408,006.98 × 555,181.35
  4. Step 4: Simplify right side
    1,020,325.56x = 781,699,220,873.79
  5. Step 5: Solve for x
    x = 781,699,220,873.79/1,020,325.56
  6. Step 6: Final answer
    x = 766,127.26

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1.5x scale

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.