Home / 1,031,877.90-1,547,816.85-990,543.60

Finding the Fourth Proportional to 1,031,877.90, 1,547,816.85 and 990,543.60

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Solution

The fourth proportional to 1,031,877.90, 1,547,816.85 and 990,543.60 is: 1,485,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,877.90 : 1,547,816.85 = 990,543.60 : x
  2. Step 2: Convert to fraction form
    1,031,877.90/1,547,816.85 = 990,543.60/x
  3. Step 3: Cross multiply
    1,031,877.90x = 1,547,816.85 × 990,543.60
  4. Step 4: Simplify right side
    1,031,877.90x = 1,533,180,074,739.66
  5. Step 5: Solve for x
    x = 1,533,180,074,739.66/1,031,877.90
  6. Step 6: Final answer
    x = 1,485,815.40

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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.