Home / 1,572,177.60-2,358,266.40-1,005,307.20

Finding the Fourth Proportional to 1,572,177.60, 2,358,266.40 and 1,005,307.20

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Solution

The fourth proportional to 1,572,177.60, 2,358,266.40 and 1,005,307.20 is: 1,507,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,177.60 : 2,358,266.40 = 1,005,307.20 : x
  2. Step 2: Convert to fraction form
    1,572,177.60/2,358,266.40 = 1,005,307.20/x
  3. Step 3: Cross multiply
    1,572,177.60x = 2,358,266.40 × 1,005,307.20
  4. Step 4: Simplify right side
    1,572,177.60x = 2,370,782,191,438.08
  5. Step 5: Solve for x
    x = 2,370,782,191,438.08/1,572,177.60
  6. Step 6: Final answer
    x = 1,507,960.80

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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.