Home / 1,088,587.60-1,630,913.10-931,123.60

Finding the Fourth Proportional to 1,088,587.60, 1,630,913.10 and 931,123.60

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Solution

The fourth proportional to 1,088,587.60, 1,630,913.10 and 931,123.60 is: 1,395,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,587.60 : 1,630,913.10 = 931,123.60 : x
  2. Step 2: Convert to fraction form
    1,088,587.60/1,630,913.10 = 931,123.60/x
  3. Step 3: Cross multiply
    1,088,587.60x = 1,630,913.10 × 931,123.60
  4. Step 4: Simplify right side
    1,088,587.60x = 1,518,581,676,959.16
  5. Step 5: Solve for x
    x = 1,518,581,676,959.16/1,088,587.60
  6. Step 6: Final answer
    x = 1,395,001.81

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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.