Home / 1,031,728.40-1,547,592.60-907,312.40

Finding the Fourth Proportional to 1,031,728.40, 1,547,592.60 and 907,312.40

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Solution

The fourth proportional to 1,031,728.40, 1,547,592.60 and 907,312.40 is: 1,360,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,728.40 : 1,547,592.60 = 907,312.40 : x
  2. Step 2: Convert to fraction form
    1,031,728.40/1,547,592.60 = 907,312.40/x
  3. Step 3: Cross multiply
    1,031,728.40x = 1,547,592.60 × 907,312.40
  4. Step 4: Simplify right side
    1,031,728.40x = 1,404,149,956,128.24
  5. Step 5: Solve for x
    x = 1,404,149,956,128.24/1,031,728.40
  6. Step 6: Final answer
    x = 1,360,968.60

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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.