Home / 1,031,567.90-1,547,351.85-807,619.10

Finding the Fourth Proportional to 1,031,567.90, 1,547,351.85 and 807,619.10

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Solution

The fourth proportional to 1,031,567.90, 1,547,351.85 and 807,619.10 is: 1,211,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,567.90 : 1,547,351.85 = 807,619.10 : x
  2. Step 2: Convert to fraction form
    1,031,567.90/1,547,351.85 = 807,619.10/x
  3. Step 3: Cross multiply
    1,031,567.90x = 1,547,351.85 × 807,619.10
  4. Step 4: Simplify right side
    1,031,567.90x = 1,249,670,908,480.34
  5. Step 5: Solve for x
    x = 1,249,670,908,480.34/1,031,567.90
  6. Step 6: Final answer
    x = 1,211,428.65

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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.