Home / 1,158,430.60-1,739,201.10-739,563.40

Finding the Fourth Proportional to 1,158,430.60, 1,739,201.10 and 739,563.40

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Solution

The fourth proportional to 1,158,430.60, 1,739,201.10 and 739,563.40 is: 1,110,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,430.60 : 1,739,201.10 = 739,563.40 : x
  2. Step 2: Convert to fraction form
    1,158,430.60/1,739,201.10 = 739,563.40/x
  3. Step 3: Cross multiply
    1,158,430.60x = 1,739,201.10 × 739,563.40
  4. Step 4: Simplify right side
    1,158,430.60x = 1,286,249,478,799.74
  5. Step 5: Solve for x
    x = 1,286,249,478,799.74/1,158,430.60
  6. Step 6: Final answer
    x = 1,110,337.97

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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.