Home / 1,031,805.60-1,547,927.10-312,088.20

Finding the Fourth Proportional to 1,031,805.60, 1,547,927.10 and 312,088.20

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Solution

The fourth proportional to 1,031,805.60, 1,547,927.10 and 312,088.20 is: 468,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,805.60 : 1,547,927.10 = 312,088.20 : x
  2. Step 2: Convert to fraction form
    1,031,805.60/1,547,927.10 = 312,088.20/x
  3. Step 3: Cross multiply
    1,031,805.60x = 1,547,927.10 × 312,088.20
  4. Step 4: Simplify right side
    1,031,805.60x = 483,089,782,370.22
  5. Step 5: Solve for x
    x = 483,089,782,370.22/1,031,805.60
  6. Step 6: Final answer
    x = 468,198.45

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1.5x scale

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.