Home / 1,031,667.40-1,547,501.10-712,802.80

Finding the Fourth Proportional to 1,031,667.40, 1,547,501.10 and 712,802.80

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Solution

The fourth proportional to 1,031,667.40, 1,547,501.10 and 712,802.80 is: 1,069,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,667.40 : 1,547,501.10 = 712,802.80 : x
  2. Step 2: Convert to fraction form
    1,031,667.40/1,547,501.10 = 712,802.80/x
  3. Step 3: Cross multiply
    1,031,667.40x = 1,547,501.10 × 712,802.80
  4. Step 4: Simplify right side
    1,031,667.40x = 1,103,063,117,083.08
  5. Step 5: Solve for x
    x = 1,103,063,117,083.08/1,031,667.40
  6. Step 6: Final answer
    x = 1,069,204.20

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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.