Home / 1,139,085.60-1,708,498.80-297,722.40

Finding the Fourth Proportional to 1,139,085.60, 1,708,498.80 and 297,722.40

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Solution

The fourth proportional to 1,139,085.60, 1,708,498.80 and 297,722.40 is: 446,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,085.60 : 1,708,498.80 = 297,722.40 : x
  2. Step 2: Convert to fraction form
    1,139,085.60/1,708,498.80 = 297,722.40/x
  3. Step 3: Cross multiply
    1,139,085.60x = 1,708,498.80 × 297,722.40
  4. Step 4: Simplify right side
    1,139,085.60x = 508,658,363,133.12
  5. Step 5: Solve for x
    x = 508,658,363,133.12/1,139,085.60
  6. Step 6: Final answer
    x = 446,549.73

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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.