Home / 915,582.40-1,373,373.60-900,030.40

Finding the Fourth Proportional to 915,582.40, 1,373,373.60 and 900,030.40

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Solution

The fourth proportional to 915,582.40, 1,373,373.60 and 900,030.40 is: 1,350,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,582.40 : 1,373,373.60 = 900,030.40 : x
  2. Step 2: Convert to fraction form
    915,582.40/1,373,373.60 = 900,030.40/x
  3. Step 3: Cross multiply
    915,582.40x = 1,373,373.60 × 900,030.40
  4. Step 4: Simplify right side
    915,582.40x = 1,236,077,990,557.44
  5. Step 5: Solve for x
    x = 1,236,077,990,557.44/915,582.40
  6. Step 6: Final answer
    x = 1,350,045.60

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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.